Side by side
CWC RN81 Clearance Diver Automatic WatchvsGrand Seiko SLGB023
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
RN81 Clearance Diver Automatic Watch41mm
SLGB02340.8mm
Power Reserve
RN81 Clearance Diver Automatic Watch40h
SLGB02372h
Water Resistance
RN81 Clearance Diver Automatic Watch300m
SLGB023300m
MSRP
RN81 Clearance Diver Automatic Watch$1,875
SLGB023$12,400
Full specifications
Case
5 specsDiameter
41mm
40.8mm
Thickness
12mm
12.9mm
Lug-to-Lug
47mm
48.5mm
Lug Width
20mm
21mm
Material
Stainless Steel
Titanium
Crystal & Dial
3 specsAR Coating
Inner
Yes
Dial Color
CWC RN81 Clearance Diver Automatic Watch
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
Sellita SW200-1
9RB1
Type
Automatic
Spring Drive
Power Reserve
40h
72h
Pricing
1 specsMSRP
$1,875
$12,400
Follow this matchup
Get a note when CWC RN81 Clearance Diver Automatic Watch vs Grand Seiko SLGB023 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.2vsGrand Seiko SLGB023CWC Automatic Divers Watch Mk.2 BlackvsGrand Seiko SLGB023CWC Automatic Divers Watch Mk.2 Black with DatevsGrand Seiko SLGB023Marathon Jeep Rubicon GSARvsGrand Seiko SLGB023Baltic Aquascaphe TitaniumvsCWC RN81 Clearance Diver Automatic WatchCWC RN81 Clearance Diver Automatic WatchvsHelgray Poseidon Diver (Automatic)









