Side by side
CWC Automatic Divers Watch Mk.2 Black with DatevsGrand Seiko SBGM221
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Automatic Divers Watch Mk.2 Black with Date41mm
SBGM22139.5mm
Power Reserve
Automatic Divers Watch Mk.2 Black with Date40h
SBGM22172h
Water Resistance
Automatic Divers Watch Mk.2 Black with Date300m
SBGM22130m
MSRP
Automatic Divers Watch Mk.2 Black with Date$1,249
SBGM221$5,400
Full specifications
Case
6 specsCategory
Diver
GMT
Diameter
41mm
39.5mm
Thickness
12mm
13.7mm
Lug-to-Lug
47mm
46.9mm
Lug Width
20mm
19mm
Water Resistance
300m
30m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
CWC Automatic Divers Watch Mk.2 Black with Date (SF300 AS120-D)
Black
Lume
Super-LumiNova
None
Movement
2 specsCaliber
Sellita SW200-1
9S66
Power Reserve
40h
72h
Pricing
1 specsMSRP
$1,249
$5,400
Follow this matchup
Get a note when CWC Automatic Divers Watch Mk.2 Black with Date vs Grand Seiko SBGM221 gets more votes, a community discussion, or a price drop. No account needed.
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
CWC RN Automatic Divers Watch Mk.2 with DatevsGrand Seiko SBGM221CWC RN Automatic Divers Watch Mk.2vsGrand Seiko SBGM221CWC Automatic Divers Watch Mk.2 BlackvsGrand Seiko SBGM221Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsGrand Seiko SBGM221CWC Automatic Divers Watch Mk.2 Black with DatevsanOrdain Model 2 PorcelainCWC Automatic Divers Watch Mk.2 Black with DatevsanOrdain Fabrik GMT










