Side by side
Sugess Chrono Master S438vsFormex Reef GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Chrono Master S43840mm
Reef GMT42mm
Power Reserve
Chrono Master S43835h
Reef GMT56h
Water Resistance
Chrono Master S4385m
Reef GMT300m
MSRP
Chrono Master S438$549
Reef GMT$2,235
Full specifications
Case
6 specsCategory
Chronograph
GMT
Diameter
40mm
42mm
Thickness
12mm
11.4mm
Lug-to-Lug
46mm
47mm
Water Resistance
5m
300m
Caseback
Display
Solid
Crystal & Dial
2 specsDial Color
S438 White
Black
Lume
None
Super-LumiNova
Movement
5 specsCaliber
ST19
Sellita SW330-2
Type
Manual
Automatic
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
56h
Complications
GMT, Chronograph, Moonphase, Power reserve indicator
None
Pricing
1 specsMSRP
$549
$2,235
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