Side by side
Jack Mason Strat-o-timer GMTvsPhoibos Reef Master
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
11 of 29 specs differDiameter
Strat-o-timer GMT40mm
Reef Master42mm
Power Reserve
Strat-o-timer GMT42h
Reef Master40h
Water Resistance
Strat-o-timer GMT200m
Reef Master200m
MSRP
Strat-o-timer GMT$1,099
Reef Master$335
Full specifications
Case
5 specsCategory
—
Diver
Diameter
40mm
42mm
Thickness
13.2mm
13mm
Lug-to-Lug
47mm
48mm
Lug Width
20mm
22mm
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
—
Green
Lume
None
Super-LumiNova
Movement
2 specsCaliber
Miyota 9075
SII NH38
Power Reserve
42h
40h
Pricing
1 specsMSRP
$1,099
$335
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