Side by side
Sugess Ocean Star S421vsTudor Black Bay One 31 S&G
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Ocean Star S42140mm
Black Bay One 31 S&G31mm
Power Reserve
Ocean Star S42140h
Black Bay One 31 S&G50h
Water Resistance
Ocean Star S421300m
Black Bay One 31 S&G100m
MSRP
Ocean Star S421$449
Black Bay One 31 S&G$6,850
Full specifications
Case
7 specsCategory
Diver
—
Diameter
40mm
31mm
Thickness
12.7mm
9.5mm
Lug Width
20mm
17mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
100m
Caseback
Solid
Solid screw-down
Crystal & Dial
1 specsDial Color
SU116610LB Black
Black
Movement
4 specsCaliber
Seagull ST2130/Seiko NH35
MT5201
Beat Rate
4 vph
28,800 vph
Power Reserve
40h
50h
Complications
GMT, Chronograph, Moonphase, Date
None
Pricing
1 specsMSRP
$449
$6,850
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