Ublast - Automatic Diver GMT - 20 ATM - UBDGM40BK - Men - 2026
03
days
02
hours
02
minutes
41
seconds
Starting bid
€ 1
Reserve price not met
Expert
Selected by Alfonso Minondo
Over six years of professional experience in watches with extensive collector network.
Retail Estimate € 700 - € 800
No bids placed
Catawiki Buyer Protection
Your payment’s safe with us until you receive your object.View details
Trustpilot 4.4 | 134994 reviews
Rated Excellent on Trustpilot.
Automatic Diver GMT with a 40 mm stainless steel case, 20 ATM water resistance, long steel bracelet, reference UBDGM40BK, model Automatic Diver GMT - 20 ATM, movement automatic, produced in the 2020s, includes original box, papers and international warranty.
AI-assisted summary
Description from the seller
Official Authorized Dealer
UBLAST is an Italian registered brand.
Watches are made with carefully selected quality materials and finished with extreme attention to details. Each piece undergoes rigorous checks, including functional, shock, and precision tests. All watches are new, never worn, and come with the original box, documents, tag, certificate of authenticity, and a 2-year international warranty, stamped at the time of purchase.
We offer the model "UBLAST DIVER GMT / Dual Time"
316L stainless steel case – bidirectional 120-click bezel – GMT Seiko NH34 automatic – mineral glass
Function: hours - minutes - seconds – date - GMT
Case: 40x14 mm stainless steel 316L
Dial: date at 3 - luminescent indices and hands
Bezel: bidirectional stainless steel, 120 clicks
Movement: Japanese automatic GMT Seiko NH34 - 21,600 vph - approximately 41-hour power reserve – 24 jewels
Glass: mineral with cyclops
Crown: 316L stainless steel – screw-down at 3 o'clock
Case back: 316L stainless steel – screw-in
Bracelet: 316L stainless steel – (about 250 mm including case)
Clasp: 316L stainless steel – deployant
Water resistance: 20 ATM - 200 meters
Gender: men
Weight: about 150 g
CONDITIONS
New, never worn – includes 2-year international warranty
CONTENT
Complete set (The watch box may differ from photos depending on stock available at the time of shipment, but we guarantee the original box of the brand)
INFO
The photos are taken on the actual watch. Please note that color may vary slightly due to lighting reflections, shadows, or direct light during shooting.
IMPORTANT NOTE FOR FIRST USE
For all watches with steel bracelets and leather, rubber, nato straps, etc., links can be removed and the strap shortened using the appropriate tools. If you’re not able to do this yourself, please consult a professional.
All automatic watches need to be wound at first use; relying on wrist movement alone is not enough to maintain the required power reserve.
RULE FOR ALL DAY-DATE WATCHES
To avoid potential damage to the movement, do not set the date with the crown when the time is between 21:00 and 03:00. It is recommended to set the date when the time is between 03:05 and 20:55. Some models have a screw-down crown; to adjust, gently unscrew counterclockwise. Don’t forget to securely screw the crown back after setting.
LOGISTICS/WAREHOUSE
All orders ship from our warehouse located in ITALY
NATIONAL AND EUROPEAN SHIPMENT
No additional taxes within the European Union
EXTRA-EUROPEAN SHIPMENT - WORLD
All extra import costs to your country outside the European Union (tariffs and customs) are the buyer’s responsibility; we are not liable for any additional costs
FEEDBACK
Your feedback is very important to us and helps us offer better service to our buyers. If we have made a mistake by any chance, please contact us before leaving negative or neutral feedback. Our goal is to leave all buyers satisfied with their purchase. Happy bidding
Seller's Story
WATCHES FOR YOU I EXCELLENCE AND PASSION IN WATCHMAKING ---- Welcome to Watches for You, the Italian reference point with years of experience in the watch sector. As official distributors, we offer a secure shopping experience based on three pillars: professionalism I authenticity I and customer care. -------- WARRANTY AND AUTHENTICITY: Every watch in our shop is: new, original and never worn, accompanied by an international 24-month warranty. Subjected to a strict technical check before shipping to ensure perfect operation. ------- LOGISTICS AND SHIPPING: We handle each order with maximum priority and ultra-strong packaging: Processing: Within 24 business hours from payment. Tracking: Tracking code entered on Catawiki as soon as available. Multiple Shipments: If you have won multiple lots, and the Catawiki system has calculated more shipments for you, contact us before paying the second order, so we can recalculate and reduce shipping costs for you. Important: For tax reasons related to automatic invoicing, it is absolutely not possible to reimburse shipping fees already paid. Please do not insist. ------ INSURANCE AND RECEIPT OF GOODS: We monitor every shipment to its destination, but we require your cooperation. Delivery verification: In case of damage or tampering, always sign "with reserve". Report the incident immediately to the courier and to us. Insurance terms: Any missed deliveries must be reported within 7 days from the scheduled date to activate the insurance procedures.. --------- ADMINISTRATION AND INVOICING: We operate in full compliance with the Italian tax system. Corporate Invoices: We issue invoices only to companies with a VAT number, upon request via message within 24 hours from payment. It will not be possible to issue invoices to private individuals, and beyond that term. Warranty Activation: For the warranty, the certificate of originality, the instruction booklet and the Catawiki purchase receipt are required.------ RIGHT OF WITHDRAWAL: The return is guaranteed if the watch is returned exactly as received. Conditions: Intact, never worn, with all protective films and original accessories, with complete box. Responsibility: Return shipping costs and the goods’ transportation responsibility are borne by the buyer.------ CUSTOMER SERVICE AND FEEDBACK: Our support is at your service 7 days a week, including holidays. We respond to every message via the Catawiki chat in chronological order. If you encounter any problem, we kindly ask you to contact us before leaving neutral or negative feedback. We will find the best solution together. Satisfaction is our goal.------ THANKS YOU FOR CHOOSING WATCHES FOR YOU! Professionalism I authenticity I and passion at your service I
Translated by Google TranslateOfficial Authorized Dealer
UBLAST is an Italian registered brand.
Watches are made with carefully selected quality materials and finished with extreme attention to details. Each piece undergoes rigorous checks, including functional, shock, and precision tests. All watches are new, never worn, and come with the original box, documents, tag, certificate of authenticity, and a 2-year international warranty, stamped at the time of purchase.
We offer the model "UBLAST DIVER GMT / Dual Time"
316L stainless steel case – bidirectional 120-click bezel – GMT Seiko NH34 automatic – mineral glass
Function: hours - minutes - seconds – date - GMT
Case: 40x14 mm stainless steel 316L
Dial: date at 3 - luminescent indices and hands
Bezel: bidirectional stainless steel, 120 clicks
Movement: Japanese automatic GMT Seiko NH34 - 21,600 vph - approximately 41-hour power reserve – 24 jewels
Glass: mineral with cyclops
Crown: 316L stainless steel – screw-down at 3 o'clock
Case back: 316L stainless steel – screw-in
Bracelet: 316L stainless steel – (about 250 mm including case)
Clasp: 316L stainless steel – deployant
Water resistance: 20 ATM - 200 meters
Gender: men
Weight: about 150 g
CONDITIONS
New, never worn – includes 2-year international warranty
CONTENT
Complete set (The watch box may differ from photos depending on stock available at the time of shipment, but we guarantee the original box of the brand)
INFO
The photos are taken on the actual watch. Please note that color may vary slightly due to lighting reflections, shadows, or direct light during shooting.
IMPORTANT NOTE FOR FIRST USE
For all watches with steel bracelets and leather, rubber, nato straps, etc., links can be removed and the strap shortened using the appropriate tools. If you’re not able to do this yourself, please consult a professional.
All automatic watches need to be wound at first use; relying on wrist movement alone is not enough to maintain the required power reserve.
RULE FOR ALL DAY-DATE WATCHES
To avoid potential damage to the movement, do not set the date with the crown when the time is between 21:00 and 03:00. It is recommended to set the date when the time is between 03:05 and 20:55. Some models have a screw-down crown; to adjust, gently unscrew counterclockwise. Don’t forget to securely screw the crown back after setting.
LOGISTICS/WAREHOUSE
All orders ship from our warehouse located in ITALY
NATIONAL AND EUROPEAN SHIPMENT
No additional taxes within the European Union
EXTRA-EUROPEAN SHIPMENT - WORLD
All extra import costs to your country outside the European Union (tariffs and customs) are the buyer’s responsibility; we are not liable for any additional costs
FEEDBACK
Your feedback is very important to us and helps us offer better service to our buyers. If we have made a mistake by any chance, please contact us before leaving negative or neutral feedback. Our goal is to leave all buyers satisfied with their purchase. Happy bidding
Seller's Story
WATCHES FOR YOU I EXCELLENCE AND PASSION IN WATCHMAKING ---- Welcome to Watches for You, the Italian reference point with years of experience in the watch sector. As official distributors, we offer a secure shopping experience based on three pillars: professionalism I authenticity I and customer care. -------- WARRANTY AND AUTHENTICITY: Every watch in our shop is: new, original and never worn, accompanied by an international 24-month warranty. Subjected to a strict technical check before shipping to ensure perfect operation. ------- LOGISTICS AND SHIPPING: We handle each order with maximum priority and ultra-strong packaging: Processing: Within 24 business hours from payment. Tracking: Tracking code entered on Catawiki as soon as available. Multiple Shipments: If you have won multiple lots, and the Catawiki system has calculated more shipments for you, contact us before paying the second order, so we can recalculate and reduce shipping costs for you. Important: For tax reasons related to automatic invoicing, it is absolutely not possible to reimburse shipping fees already paid. Please do not insist. ------ INSURANCE AND RECEIPT OF GOODS: We monitor every shipment to its destination, but we require your cooperation. Delivery verification: In case of damage or tampering, always sign "with reserve". Report the incident immediately to the courier and to us. Insurance terms: Any missed deliveries must be reported within 7 days from the scheduled date to activate the insurance procedures.. --------- ADMINISTRATION AND INVOICING: We operate in full compliance with the Italian tax system. Corporate Invoices: We issue invoices only to companies with a VAT number, upon request via message within 24 hours from payment. It will not be possible to issue invoices to private individuals, and beyond that term. Warranty Activation: For the warranty, the certificate of originality, the instruction booklet and the Catawiki purchase receipt are required.------ RIGHT OF WITHDRAWAL: The return is guaranteed if the watch is returned exactly as received. Conditions: Intact, never worn, with all protective films and original accessories, with complete box. Responsibility: Return shipping costs and the goods’ transportation responsibility are borne by the buyer.------ CUSTOMER SERVICE AND FEEDBACK: Our support is at your service 7 days a week, including holidays. We respond to every message via the Catawiki chat in chronological order. If you encounter any problem, we kindly ask you to contact us before leaving neutral or negative feedback. We will find the best solution together. Satisfaction is our goal.------ THANKS YOU FOR CHOOSING WATCHES FOR YOU! Professionalism I authenticity I and passion at your service I
Translated by Google TranslateDetails
Brand
Ublast
Gender
Men
Model
Automatic Diver GMT - 20 ATM
Band material
Steel
Reference number
UBDGM40BK
Band length
Long (over 200 mm)
Shipped insured
Yes
Repainted dial
No
Period
2020+
Movement
Automatic
Case material
Stainless steel
Original box included
Yes
Original papers included
Yes
Case diameter
40 mm
Original warranty included
Yes
Condition
Unworn - no signs of wear
Year
2026
Sold by
