Side by side
CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With DatevsGrand Seiko SBGE253
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
RN300 Automatic Diver Mk.1 Tritium Watch With Date40mm
SBGE25340.5mm
Power Reserve
RN300 Automatic Diver Mk.1 Tritium Watch With Date40h
SBGE25372h
Water Resistance
RN300 Automatic Diver Mk.1 Tritium Watch With Date300m
SBGE253200m
MSRP
RN300 Automatic Diver Mk.1 Tritium Watch With Date$3,174
SBGE253$6,900
Full specifications
Case
5 specsCategory
—
GMT
Diameter
40mm
40.5mm
Thickness
14.5mm
14.7mm
Lug-to-Lug
46mm
48.7mm
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal
Mineral
Sapphire
AR Coating
Inner
Yes
Dial Color
—
Black
Movement
3 specsCaliber
ETA 2824
9R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
—
$6,900
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 (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With Date vs Grand Seiko SBGE253 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.
Duckworth Prestex Swiss Diver 300 MetrevsGrand Seiko SBGE253Geckota Sea-Hunter Dive WatchvsGrand Seiko SBGE253Geckota PhalanxvsGrand Seiko SBGE253Santurce Vulcain x Santurce Collection CollabvsGrand Seiko SBGE253CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With DatevsIslander Calabro GMT World Time Automatic Watch with Anthracite Dial #ISL-316CWC (Cabot Watch Company) RN300 Automatic Diver Mk.1 Tritium Watch With DatevsIslander Republic Traveler GMT Watch with Black Dial #ISL-276