Side by side
CWC RN Automatic Divers Watch Mk.2 with DatevsGrand Seiko SBGW306
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
RN Automatic Divers Watch Mk.2 with Date41mm
SBGW30636.5mm
Power Reserve
RN Automatic Divers Watch Mk.2 with Date40h
SBGW30672h
Water Resistance
RN Automatic Divers Watch Mk.2 with Date300m
SBGW306100m
MSRP
RN Automatic Divers Watch Mk.2 with Date$1,249
SBGW306$17,900
Full specifications
Case
7 specsCategory
Diver
Dress
Diameter
41mm
36.5mm
Thickness
12mm
11.7mm
Lug-to-Lug
47mm
42.7mm
Lug Width
20mm
18mm
Material
Stainless Steel
Gold
Water Resistance
300m
100m
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
CWC RN Automatic Divers Watch Mk.2 with Date, Stainless Steel (RN300-MT AS120-D)
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW200-1
9S64
Type
Automatic
Manual
Power Reserve
40h
72h
Pricing
1 specsMSRP
$1,249
$17,900
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when CWC RN Automatic Divers Watch Mk.2 with Date vs Grand Seiko SBGW306 gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
CWC Automatic Divers Watch Mk.2 Black with DatevsGrand Seiko SBGW306CWC RN Automatic Divers Watch Mk.2vsGrand Seiko SBGW306CWC Automatic Divers Watch Mk.2 BlackvsGrand Seiko SBGW306Marathon GSAR (Government Search & Rescue) Diver's AutomaticvsGrand Seiko SBGW306CWC RN Automatic Divers Watch Mk.2 with DatevsanOrdain Model 1 Precious MetalanOrdain Model 2 FumévsCWC RN Automatic Divers Watch Mk.2 with Date