Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsSternglas Hamburg Chrono

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604
Hamburg Chrono
SternglasHamburg Chrono
MSRP $377

At a glance

12 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Hamburg Chrono42mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Hamburg Chrono
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Hamburg Chrono50m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Hamburg Chrono$377

Full specifications

Case

5 specs
Category
Diver
Chronograph
Diameter
41mm
42mm
Thickness
12mm
9.3mm
Lug-to-Lug
47mm
46mm
Water Resistance
300m
50m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
Ronda 517
Seiko TMI VK64 Mecha-Quartz
Power Reserve
40h
Jewels
25

Pricing

1 specs
MSRP
$604
$377

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

CWC RN Quartz Divers Watch Mk.2, Matte Top

Owners widely praise the CWC RN Quartz Divers Watch Mk.2, Matte Top for its excellent matte case finishing, precise seconds hand alignment, and dial reminiscent of vintage military watches. The Mk.2 upgrades, including a sapphire crystal, improved lume, and a precise 120-click bezel described as perfection with no play, are consistently highlighted as significant improvements over earlier versions. One owner noted the quartz movement gained 8 seconds over several months. Overall, owners rate the CWC RN Quartz Divers Watch Mk.2, Matte Top highly for its solid construction, military significance, and terrific value.

Sternglas Hamburg Chrono

Owners widely praise the Sternglas Hamburg Chrono for its visually pleasing design, comfortable lightweight wear, and excellent timekeeping, with specific appreciation for details like the orange date window frame and overall value for the price. Some community members find the Regatta design busy and question the VK64 movement's lack of a running second hand, though others defend its unique, colorful aesthetic. One commenter notes the significant margin between manufacturing cost and retail price. On balance, owners rate the Sternglas Hamburg Chrono highly for its design details and value at its price point.

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