Jack Mason Strat-O-Timer Titanium Diver GMT
The Jack Mason Strat-O-Timer Titanium Diver GMT is a current-production diver watch with a grade 2 titanium case, finished with hardness coating. At 118 g it sits around the middle for diver watches in the guide, and is priced close to the $1,299 median for the category. The maker states no nickel-bearing steel at any skin-contact point, across the case, caseback and bracelet.


- Reference
- Strat-O-Timer Titanium GMT
- Type
- Diver
- Case diameter
- 40.0 mm
- Thickness
- 13.2 mm
- Lug-to-lug
- 47 mm
- Origin
- United States
- Movement
- Automatic
- Caliber
- Miyota 9075
- Power reserve
- 42 h
- Complications
- GMT, Date
- Colour
- Grey
- Surface treatment
- Hardness coating
- Finish technology
- Natural finish
- Caseback
- Titanium
- Nickel-free
- Maker states none
- Bracelet / strap
- Grade 2 titanium bracelet; FKM Tropic strap
- Matching bracelet
- Standard
- Crystal
- Sapphire
- Display back
- No
- Dial
- Anthracite, cobalt, black
- Dial colours
- Black Grey Blue
- Lume
- Super-LumiNova BGW9
- Availability
- Offered
- Status
- Current (between batches, restock estimated September)
- Not published
- Hardness, Construction
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Frequently asked questions
Is the Jack Mason Strat-O-Timer Titanium Diver GMT nickel-free?
On the maker's published specification, no nickel-bearing steel touches the skin: a grade 2 titanium case with a titanium caseback, plus a non-steel crown and strap. That is what the guide records rather than a test of the watch, so confirm the contact points with the maker before buying if you react to nickel.
What is the case material of the Jack Mason Strat-O-Timer Titanium Diver GMT?
The Jack Mason Strat-O-Timer Titanium Diver GMT has a grade 2 titanium case with a titanium caseback. This is confirmed against the maker spec.
What size is the Jack Mason Strat-O-Timer Titanium Diver GMT?
It is 40.0 mm in diameter, 13.2 mm thick, 47 mm lug to lug, and water resistant to 200 m.
How much does the Jack Mason Strat-O-Timer Titanium Diver GMT weigh?
About 118 g.
How much does the Jack Mason Strat-O-Timer Titanium Diver GMT cost, and is it available?
It is current-production and lists from $1,399.
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