Side by side
Sugess Chrono Master S438vsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
15 of 29 specs differDiameter
Chrono Master S43840mm
SBGW30636.5mm
Power Reserve
Chrono Master S43835h
SBGW30672h
Water Resistance
Chrono Master S4385m
SBGW306100m
MSRP
Chrono Master S438$549
SBGW306$17,900
Full specifications
Case
8 specsCategory
Chronograph
Dress
Diameter
40mm
36.5mm
Thickness
12mm
11.7mm
Lug-to-Lug
46mm
42.7mm
Lug Width
22mm
18mm
Material
Stainless Steel
Gold
Water Resistance
5m
100m
Caseback
Display
Solid
Crystal & Dial
2 specsAR Coating
Inner
Yes
Dial Color
S438 White
Black
Movement
4 specsCaliber
ST19
9S64
Beat Rate
3 vph
28,800 vph
Power Reserve
35h
72h
Complications
GMT, Chronograph, Moonphase, Power reserve indicator
None
Pricing
1 specsMSRP
$549
$17,900
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