Side by side

Citizen Promaster SikorskyvsCWC RN Quartz Divers Watch Mk.2, Matte Top

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

Promaster Sikorsky
CitizenPromaster Sikorsky
MSRP $469
RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604

At a glance

12 of 29 specs differ
Diameter
Promaster Sikorsky42.4mm
RN Quartz Divers Watch Mk.2, Matte Top41mm
Power Reserve
Promaster Sikorsky40h
RN Quartz Divers Watch Mk.2, Matte Top40h
Water Resistance
Promaster Sikorsky200m
RN Quartz Divers Watch Mk.2, Matte Top300m
MSRP
Promaster Sikorsky$469
RN Quartz Divers Watch Mk.2, Matte Top$604

Full specifications

Case

5 specs
Category
Pilot
Diver
Diameter
42.4mm
41mm
Lug-to-Lug
46mm
47mm
Lug Width
22mm
20mm
Water Resistance
200m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
B877
Ronda 517
Type
Solar
Quartz

Pricing

1 specs
MSRP
$469
$604

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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.

Citizen Promaster Sikorsky

The Citizen Promaster Sikorsky is a large 46mm watch honoring the S-92 helicopter, featuring a busy dial with red, white, blue, and yellow accents, and helicopter blade-shaped hands. It houses a solar-powered U680 movement with atomic time syncing. On balance, owners find the Citizen Promaster Sikorsky to be a unique, albeit cluttered, limited edition timepiece.

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.

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