Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsLongines MASTER COLLECTION

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
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $3,000

At a glance

21 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
MASTER COLLECTION42mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
MASTER COLLECTION72h
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
MASTER COLLECTION30m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
MASTER COLLECTION$3,000

Full specifications

Case

8 specs
Category
Diver
Diameter
41mm
42mm
Thickness
12mm
10.8mm
Lug-to-Lug
47mm
49.7mm
Lug Width
20mm
21mm
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Silver
Indices
Applied
Painted Arabic numerals

Movement

8 specs
Caliber
Ronda 517
L897.2
Type
Quartz
Automatic
Beat Rate
28,800 vph
25,200 vph
Power Reserve
40h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds, month and date by annual calendar

Pricing

1 specs
MSRP
$604
$3,000

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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.

Longines MASTER COLLECTION

The Longines Master Collection is widely praised for its excellent value, beautiful dial execution featuring engraved Breguet numerals and snailed subdials, and classic, vintage styling. Owners and reviewers highlight its dressy and thin profile, with one owner noting its versatility as a daily wear. The Master Collection offers complications like chronographs and moon phases at competitive price points, with some finding the case finishing homogenous and the pushers to feel cheap. Accuracy figures are not consistently reported across sources, but one owner notes a broken moon phase setting mechanism requiring professional service. Water resistance is considered light at 30m, and the bracelet lacks micro-adjustments. Overall, owners and reviewers rate the Longines Master Collection highly for its dial execution and value, particularly when purchased below retail.

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