Side by side
Sugess Ocean Star S421vsTudor Black Bay One 31
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Ocean Star S42140mm
Black Bay One 3131mm
Power Reserve
Ocean Star S42140h
Black Bay One 3150h
Water Resistance
Ocean Star S421300m
Black Bay One 31100m
MSRP
Ocean Star S421$449
Black Bay One 31$4,600
Full specifications
Case
6 specsDiameter
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
Anthracite
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
$4,600
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