Seiko Sea Master Mod – Grey Dial Blue Bezel
Taxes included.
Sea Master mod featuring a grey dial with a blue bezel, built for a clean premium everyday look.
Free Worldwide ShippingTracked delivery, ships in 7–9 business days
1-Year WarrantyCovered movement warranty
14-Day ReturnsFrom the day it arrives
Hand-AssembledBuilt and checked before shipping
Description
The Sea Master Mod – Grey Dial Blue Bezel brings a grey dial with a blue bezel to a Sea Master style build with a sporty diver-inspired design with a clean tool-watch feel. It is designed to feel refined on the wrist while still giving the watch its own character.
- Case Size: 40mm
- Movement: NH35 Automatic, approximately 41-hour power reserve
- Crystal: Sapphire glass
- Water Resistance: 3 ATM, splash and rain resistant
- Case Material: 316L stainless steel
- Bracelet/Strap: NATO strap or mesh Milanese strap depending on selected build
- Lug Width: 20mm
A solid option for anyone who wants a polished mod watch with a clear design identity.
Shipping & Delivery
We offer worldwide tracked shipping. Orders are prepared carefully before dispatch, and delivery times may vary depending on your country and local customs processing.
Returns
Returns are accepted within 14 days if the watch is unused, unworn, and returned in its original condition and packaging.
Warranty
All watches include a 1-year movement warranty. Damage caused by misuse, water exposure, accidental impact, normal wear, or unauthorized repairs is not covered.
About TimeLab Mods
Each TimeLab Mod is hand-assembled using selected aftermarket parts and checked before shipping. Our focus is clean design, reliable movements, good finishing, and a smooth customer experience.
Care Guide
Avoid exposing the watch to water, steam, strong impacts, or magnetic fields. Keep the crown pushed in, clean the watch gently with a soft cloth, and store it safely when not in use.
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Why Timelab Mods?

Built by hand
Every watch is assembled and checked by our watchmakers, one at a time.






