Side by side
Sugess Chrono Master S438vsWolbrook JetFlyer Automatic Chronograph
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
JetFlyer Automatic Chronograph38mm
Power Reserve
Chrono Master S43835h
JetFlyer Automatic Chronograph40h
Water Resistance
Chrono Master S4385m
JetFlyer Automatic Chronograph100m
MSRP
Chrono Master S438$549
JetFlyer Automatic Chronograph$845
Full specifications
Case
6 specsDiameter
40mm
38mm
Thickness
12mm
12.1mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
5m
100m
Caseback
Display
Solid
Crystal & Dial
2 specsCrystal
Sapphire
Domed Sapphire
Dial Color
S438 White
Black
Movement
5 specsCaliber
ST19
Jeambrun PS 6402
Type
Manual
Automatic
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
40h
Complications
GMT, Chronograph, Moonphase, Power reserve indicator
None
Pricing
1 specsMSRP
$549
$845
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