Side by side
Lum-Tec B68 Day DatevsCWC RN Automatic Divers Watch Mk.2
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
B68 Day Date44mm
RN Automatic Divers Watch Mk.241mm
Power Reserve
B68 Day Date40h
RN Automatic Divers Watch Mk.240h
Water Resistance
B68 Day Date200m
RN Automatic Divers Watch Mk.2300m
MSRP
B68 Day Date$595
RN Automatic Divers Watch Mk.2$1,249
Full specifications
Case
7 specsCategory
Sport
Diver
Diameter
44mm
41mm
Thickness
—
12mm
Lug-to-Lug
51.5mm
47mm
Lug Width
22mm
20mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Water Resistance
200m
300m
Crystal & Dial
3 specsCrystal
Domed Sapphire
Sapphire
Dial Color
B68 Day Date
CWC RN Automatic Divers Watch Mk.2, Stainless Steel (RN300-MT AS120)
Lume
None
Super-LumiNova
Movement
2 specsCaliber
Ronda 515
Sellita SW200-1
Type
Quartz
Automatic
Pricing
1 specsMSRP
$595
$1,249
Follow this matchup
Get a note when Lum-Tec B68 Day Date vs CWC RN Automatic Divers Watch Mk.2 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.2vsMarathon TSAR (Tritium Search & Rescue) Diver's QuartzCWC RN Automatic Divers Watch Mk.2vsCWC Ti300 Titanium 5 Quartz Divers WatchCWC RN Automatic Divers Watch Mk.2vsSpinnaker Fleuss ChronographCWC Arctic Radar Quartz Diver WatchvsCWC RN Automatic Divers Watch Mk.2Lum-Tec B68 Day DatevsCWC Automatic Divers Watch Mk.2 BlackLum-Tec B68 Day DatevsCWC RN81 Clearance Diver Automatic Watch











