Ublast - Automatic Diver GMT - 20 ATM - UBDGMJ40BBU - Men - 2025

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€ 160
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Mark Zalewski
Expert
Retail Estimate  € 700 - € 800
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Automatic Diver GMT model, reference UBDGMJ40BBU, a 2020+ stainless steel automatic diver with a 40 mm case, long Jubilee bracelet, new and unworn, with original box, original papers and original warranty, shipped insured (2025).

AI-assisted summary

Description from the seller

Official Authorized Dealer

UBLAST is an Italian registered trademark.
Watches are made with carefully selected quality materials and finished with extreme attention to detail. Each piece undergoes rigorous checks, including functional, resistance, and precision tests. All watches are new, never worn, and come with the original box, documents, tags, a certificate of authenticity, and a two-year international warranty stamped at the time of purchase.

We propose the 'UBLAST DIVER GMT / Dual Time' model.
316L stainless steel case – bidirectional bezel with 120 clicks – Seiko NH34 automatic movement – mineral glass – Jubilee bracelet

Function: hours - minutes - seconds – date - GMT
Case: 40x14 mm stainless steel 316L
Dial: date window at 3 o'clock - luminescent indices and hands.
Steel bidirectional rotating crown with 120 clicks.
Movement: Japanese automatic GMT Seiko NH34 - oscillation rate of 21,600 alternations/hour - approximately 41-hour power reserve – 24 jewels
Glass: mineral with lentino.
Corona: stainless steel 316L – screwed at 3 o'clock
Case back: 316L stainless steel - screwed in
Strap: 316L stainless steel – jubilee - (approximately 250 mm including case)
Clasp: 316L stainless steel - deployant
Water resistance: 20ATM - 200 meters
Gender: man
Weight: approximately 150 grams

CONDITIONS
New, never worn – 2-year international warranty included

Content
Complete set (The watch box may differ from the photos depending on stock availability at the time of shipment, but we guarantee the original brand box).

Information
The photos are genuinely taken on the watch; please note that the color may undergo slight tonal variations due to light reflections, shadows, or direct light on the watch during the shooting process.

Important note for first use
For all watches with steel bracelets and straps made of leather, rubber, nylon, etc., it is possible to remove links, punch, or shorten them as a DIY project, but only with the necessary tools. If you are not able to do it yourself, we kindly ask you to consult a professional.
All automatic watches must be wound via the crown upon first use; wrist movement alone is not sufficient to maintain the necessary power reserve.

Rule for all watches with a date function.
To avoid potential damage to the watch mechanism, please do not set the date using the crown when the watch time is between 9:00 PM and 3:00 AM. It is recommended to set the date when the time is between 3:05 AM and 8:55 PM. Some watch models have a screw-down crown; for adjustments, gently unscrew the crown counterclockwise. Remember to securely screw the crown back in after making the desired settings.

Logistics/Warehouse
All shipped orders start from our warehouse located in Italy.

National and Europe Shipping
No additional charges to pay within the European Union.

Shipping outside Europe - World
All additional import costs to your country outside the European Union, such as tariffs and customs, are solely the responsibility of the buyer. We are not responsible for any additional costs.

Feedback
For us, it is very important and helps us provide better service to our buyers. If we have made a mistake by chance, we kindly ask you to contact us before leaving negative or neutral feedback. Our goal is to leave all our buyers satisfied with their purchase. Happy bidding!

Seller's Story

Translated by Google Translate

Official Authorized Dealer

UBLAST is an Italian registered trademark.
Watches are made with carefully selected quality materials and finished with extreme attention to detail. Each piece undergoes rigorous checks, including functional, resistance, and precision tests. All watches are new, never worn, and come with the original box, documents, tags, a certificate of authenticity, and a two-year international warranty stamped at the time of purchase.

We propose the 'UBLAST DIVER GMT / Dual Time' model.
316L stainless steel case – bidirectional bezel with 120 clicks – Seiko NH34 automatic movement – mineral glass – Jubilee bracelet

Function: hours - minutes - seconds – date - GMT
Case: 40x14 mm stainless steel 316L
Dial: date window at 3 o'clock - luminescent indices and hands.
Steel bidirectional rotating crown with 120 clicks.
Movement: Japanese automatic GMT Seiko NH34 - oscillation rate of 21,600 alternations/hour - approximately 41-hour power reserve – 24 jewels
Glass: mineral with lentino.
Corona: stainless steel 316L – screwed at 3 o'clock
Case back: 316L stainless steel - screwed in
Strap: 316L stainless steel – jubilee - (approximately 250 mm including case)
Clasp: 316L stainless steel - deployant
Water resistance: 20ATM - 200 meters
Gender: man
Weight: approximately 150 grams

CONDITIONS
New, never worn – 2-year international warranty included

Content
Complete set (The watch box may differ from the photos depending on stock availability at the time of shipment, but we guarantee the original brand box).

Information
The photos are genuinely taken on the watch; please note that the color may undergo slight tonal variations due to light reflections, shadows, or direct light on the watch during the shooting process.

Important note for first use
For all watches with steel bracelets and straps made of leather, rubber, nylon, etc., it is possible to remove links, punch, or shorten them as a DIY project, but only with the necessary tools. If you are not able to do it yourself, we kindly ask you to consult a professional.
All automatic watches must be wound via the crown upon first use; wrist movement alone is not sufficient to maintain the necessary power reserve.

Rule for all watches with a date function.
To avoid potential damage to the watch mechanism, please do not set the date using the crown when the watch time is between 9:00 PM and 3:00 AM. It is recommended to set the date when the time is between 3:05 AM and 8:55 PM. Some watch models have a screw-down crown; for adjustments, gently unscrew the crown counterclockwise. Remember to securely screw the crown back in after making the desired settings.

Logistics/Warehouse
All shipped orders start from our warehouse located in Italy.

National and Europe Shipping
No additional charges to pay within the European Union.

Shipping outside Europe - World
All additional import costs to your country outside the European Union, such as tariffs and customs, are solely the responsibility of the buyer. We are not responsible for any additional costs.

Feedback
For us, it is very important and helps us provide better service to our buyers. If we have made a mistake by chance, we kindly ask you to contact us before leaving negative or neutral feedback. Our goal is to leave all our buyers satisfied with their purchase. Happy bidding!

Seller's Story

Translated by Google Translate

Details

Brand
Ublast
Gender
Men
Model
Automatic Diver GMT - 20 ATM
Band material
Steel
Reference Number
UBDGMJ40BBU
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
2025
ItalyVerified
8849
Objects sold
100%
protop

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