The Wristwatch Field Guide

Jack Mason Strat-O-Timer Titanium Diver GMT

Strat-O-Timer Titanium 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 above the $1,199 median for the category. Nothing touching the skin is nickel-bearing steel, verified across the case, caseback and bracelet.

All Jack Mason watchesExotic-material diver watchesTitaniumDiversGMTUnder $5,000
Price
$1,399
Material
Titanium
Grade / type
Grade 2
Weight
118 g
Water resistance
200 m
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
Caseback
Titanium
Nickel-free
Yes
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
High confidence Verified Jul 2026 Source: Jack Mason (maker) / Fratello
Facts are free to cite with a link.
Reader reviews & photosContribute photo or review
No reviews yet.
See it in the interactive guideContribute a photo or review

Similar exotic-material watches

Alternatives to the Jack Mason Strat-O-Timer Titanium Diver GMT

Frequently asked questions

Is the Jack Mason Strat-O-Timer Titanium Diver GMT nickel-free?

Yes. Nothing nickel-bearing touches the skin: a grade 2 titanium case with a titanium caseback, plus a non-steel crown and strap. The Wristwatch Field Guide marks it nickel-free for whole-watch skin contact. If your allergy is severe, confirm the contact points with the maker.

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.

All exotic-material Jack Mason watches · Exotic-material diver watches · All 1,957 watches

Learn: Which Material? · Lightest Materials · Most Scratch-Resistant · Materials and Skin

Image & Trademark Policy · Terms & Conditions