Ublast - Diver 20 ATM - UB2D4012BKB - Men - 2026






Expert and certified watch technician with over 15 years of experience, author and founder of CHLB
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Diver 20 ATM stainless steel watch with a 40 mm case, long steel bracelet, Seiko NH35 automatic movement, new condition, includes original box and papers with a two-year international warranty, reference UB2D4012BKB.
Description from the seller
Official Authorized Dealer
UBLAST is an Italian registered brand.
The watches are made with carefully selected quality materials and finished with extreme care for the details; every single piece undergoes rigorous controls, including functional, resistance, and precision tests. All watches are new, never worn, and come with the original box, documents, tags, certificate of authenticity, and a 2-year international warranty stamped at the time of purchase.
We offer the model "UBLAST DIVER 20 ATM"
Case: 316L stainless steel - mineral crystal - Japanese Seiko NH35 automatic
Function: hours - minutes - seconds – date
Case: 40x12mm – 316L stainless steel - black PVD
Dial: date window at 3 o’clock – luminescent indices and hands
Bezel: unidirectional rotating 120-click – luminescent insert
Movement: Japanese automatic Seiko NH35 - (24 jewels - 41 hours power reserve)
Crystal: mineral with date magnifier
Crown: 316L stainless steel – screw-down at 3 o’clock
Caseback: 316L stainless steel - screw-down
Bracelet: 316L stainless steel - (approx. 220 mm including case) - black PVD
Clasp: 316L stainless steel - deployant with safety clasp
Water resistance: 20ATM - 200 meters
Gender: men
Weight: about 140 g
CONDITIONS
Brand new – never worn – 2-year international warranty included
INCLUDED
Complete set (The watch box may differ from the photos depending on stock available in the warehouse at the time of shipment, but we guarantee the original branded box)
INFO
The photos are taken of the actual watch; please note that color may vary slightly in shade due to reflections of light, shadows, or direct light on the watch during shooting.
IMPORTANT NOTE FOR FIRST USE
For all watches with steel bracelets and leather, rubber, nato straps, etc., it is possible to remove links, punch/shorten with DIY tools; but only with the necessary tools. If you are not able to do it yourself, please consult a professional.
All automatic watches on first use must also be wound from the crown; simply moving the wrist is not enough to maintain the required power reserve.
RULE FOR ALL WATCHES WITH DATE
To avoid possible damage to the movement, please do not set the date with the crown when the time on the watch is between 21:00 and 03:00. It is recommended to set the date with the crown when the time is between 03:05 and 20:55. (Some models have a screw-down crown; for settings, gently unscrew the crown counterclockwise. Remember to securely screw the crown back after adjusting.)
LOGISTICS/WAREHOUSE
All orders are shipped from our warehouse located in ITALY
NATIONAL AND EUROPEAN SHIPMENT
No additional fees to pay within the European Union
EXTRA-EUROPEAN SHIPMENT - WORLD
All import costs to your country outside the European Union (duties 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 a better service to our buyers. If we have made any mistake, please 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
Official Authorized Dealer
UBLAST is an Italian registered brand.
The watches are made with carefully selected quality materials and finished with extreme care for the details; every single piece undergoes rigorous controls, including functional, resistance, and precision tests. All watches are new, never worn, and come with the original box, documents, tags, certificate of authenticity, and a 2-year international warranty stamped at the time of purchase.
We offer the model "UBLAST DIVER 20 ATM"
Case: 316L stainless steel - mineral crystal - Japanese Seiko NH35 automatic
Function: hours - minutes - seconds – date
Case: 40x12mm – 316L stainless steel - black PVD
Dial: date window at 3 o’clock – luminescent indices and hands
Bezel: unidirectional rotating 120-click – luminescent insert
Movement: Japanese automatic Seiko NH35 - (24 jewels - 41 hours power reserve)
Crystal: mineral with date magnifier
Crown: 316L stainless steel – screw-down at 3 o’clock
Caseback: 316L stainless steel - screw-down
Bracelet: 316L stainless steel - (approx. 220 mm including case) - black PVD
Clasp: 316L stainless steel - deployant with safety clasp
Water resistance: 20ATM - 200 meters
Gender: men
Weight: about 140 g
CONDITIONS
Brand new – never worn – 2-year international warranty included
INCLUDED
Complete set (The watch box may differ from the photos depending on stock available in the warehouse at the time of shipment, but we guarantee the original branded box)
INFO
The photos are taken of the actual watch; please note that color may vary slightly in shade due to reflections of light, shadows, or direct light on the watch during shooting.
IMPORTANT NOTE FOR FIRST USE
For all watches with steel bracelets and leather, rubber, nato straps, etc., it is possible to remove links, punch/shorten with DIY tools; but only with the necessary tools. If you are not able to do it yourself, please consult a professional.
All automatic watches on first use must also be wound from the crown; simply moving the wrist is not enough to maintain the required power reserve.
RULE FOR ALL WATCHES WITH DATE
To avoid possible damage to the movement, please do not set the date with the crown when the time on the watch is between 21:00 and 03:00. It is recommended to set the date with the crown when the time is between 03:05 and 20:55. (Some models have a screw-down crown; for settings, gently unscrew the crown counterclockwise. Remember to securely screw the crown back after adjusting.)
LOGISTICS/WAREHOUSE
All orders are shipped from our warehouse located in ITALY
NATIONAL AND EUROPEAN SHIPMENT
No additional fees to pay within the European Union
EXTRA-EUROPEAN SHIPMENT - WORLD
All import costs to your country outside the European Union (duties 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 a better service to our buyers. If we have made any mistake, please contact us before leaving negative or neutral feedback; our goal is to leave all our buyers satisfied with their purchase. Happy bidding.
