Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsTissot Seastar 1000 Chronograph

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
Seastar 1000 Chronograph
TissotSeastar 1000 Chronograph
MSRP $650

At a glance

9 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
Seastar 1000 Chronograph45.5mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
Seastar 1000 Chronograph40h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
Seastar 1000 Chronograph300m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
Seastar 1000 Chronograph$650

Full specifications

Case

4 specs
Diameter
41mm
45.5mm
Thickness
12mm
12.82mm
Lug-to-Lug
47mm
45.5mm
Lug Width
20mm
22mm

Crystal & Dial

3 specs
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Black
Indices
Applied
Indexes
Lume
Super-LumiNova
Super-LumiNova ®

Movement

1 specs
Caliber
Ronda 517

Pricing

1 specs
MSRP
$604
$650

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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.

Tissot Seastar 1000 Chronograph

Owners widely praise the Tissot Seastar 1000 Chronograph for its captivating blue dial, excellent case finishing, and legible matte dial, with some noting its Powermatic 80 movement offers remarkable accuracy averaging -0.6 seconds per day and an 80-hour power reserve. The ceramic bezel is also frequently highlighted as exceptionally well-done, and the bracelet is described as surprisingly strong. However, multiple owners report issues including bezel looseness, paint chipping, flooding, a broken crown, and a protruding case back causing discomfort. Some find the watch too large, with one owner noting unfinished case sides and a crown pattern that digs into fingers. Overall, owners rate the Tissot Seastar 1000 Chronograph highly for its impressive finishing and value, despite a notable number of reports concerning durability and comfort issues.

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