Side by side
CWC RN Automatic Divers Watch Mk.2vsSeestern S456 GMT
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.241mm
S456 GMT41mm
Power Reserve
RN Automatic Divers Watch Mk.240h
S456 GMT41hh
Water Resistance
RN Automatic Divers Watch Mk.2300m
S456 GMT200m
MSRP
RN Automatic Divers Watch Mk.2$1,249
S456 GMT$299
Full specifications
Case
6 specsCategory
Diver
GMT
Thickness
12mm
13mm
Lug-to-Lug
47mm
49mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
200m
Crystal & Dial
2 specsDial Color
CWC RN Automatic Divers Watch Mk.2, Stainless Steel (RN300-MT AS120)
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
Super-LumiNova
C1
Movement
5 specsCaliber
Sellita SW200-1
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41hh
Jewels
25
24
Complications
None
GMT
Pricing
1 specsMSRP
$1,249
$299
Follow this matchup
Get a note when CWC RN Automatic Divers Watch Mk.2 vs Seestern S456 GMT 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 Automatic Divers Watch Mk.2 BlackvsSeestern S456 GMTCWC RN81 Clearance Diver Automatic WatchvsSeestern S456 GMTCWC Automatic Divers Watch Mk.2 Black with DatevsSeestern S456 GMTMarathon GSAR (Government Search & Rescue) Diver's AutomaticvsSeestern S456 GMTCWC RN Automatic Divers Watch Mk.2vsIslander JFK Automatic GMT Watch with Batman Dial #ISL-338CWC RN Automatic Divers Watch Mk.2vsSpinnaker Bradner GMT