Side by side
Jack Mason Strat-o-timer GMTvsTissot Gentleman Open Heart
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Strat-o-timer GMT42mm
Gentleman Open Heart40mm
Power Reserve
Strat-o-timer GMT40h
Gentleman Open Heart80h
Water Resistance
Strat-o-timer GMT200m
Gentleman Open Heart100m
MSRP
Strat-o-timer GMT$1,149
Gentleman Open Heart$1,025
Full specifications
Case
7 specsCategory
—
Chronograph
Diameter
42mm
40mm
Thickness
13.2mm
11.5mm
Lug-to-Lug
49mm
40mm
Lug Width
22mm
21mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m
Crystal & Dial
5 specsCrystal Shape
Flat
Domed
AR Coating
Inner
Yes
Dial Color
—
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®
Movement
2 specsCaliber
Miyota 9075
11 1/2'''
Power Reserve
40h
80h
Pricing
1 specsMSRP
$1,149
$1,025
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