Side by side

CWC RN Quartz Divers Watch Mk.2, Matte TopvsOak & Oscar The Humboldt GMT SAR Edition

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
The Humboldt GMT SAR Edition
Oak & OscarThe Humboldt GMT SAR Edition
MSRP $2,950

At a glance

15 of 29 specs differ
Diameter
RN Quartz Divers Watch Mk.2, Matte Top41mm
The Humboldt GMT SAR Edition39.5mm
Power Reserve
RN Quartz Divers Watch Mk.2, Matte Top40h
The Humboldt GMT SAR Edition56 hoursh
Water Resistance
RN Quartz Divers Watch Mk.2, Matte Top300m
The Humboldt GMT SAR Edition200m
MSRP
RN Quartz Divers Watch Mk.2, Matte Top$604
The Humboldt GMT SAR Edition$2,950

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
41mm
39.5mm
Thickness
12mm
12.5mm
Lug-to-Lug
47mm
46.8mm
Material
Stainless Steel
Grade 5 Titanium
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

3 specs
Crystal Shape
Flat
Double-domed
AR Coating
Yes
Underside
Dial Color
CWC RN Quartz Divers Watch Mk.2, Matte Top (RN300-MT QS120)
Black

Movement

4 specs
Caliber
Ronda 517
Sellita SW330
Type
Quartz
Automatic
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
56 hoursh

Pricing

1 specs
MSRP
$604
$2,950

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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.

Oak & Oscar The Humboldt GMT SAR Edition

Oak & Oscar The Humboldt GMT SAR Edition is praised for its anti-magnetic properties, sandwich lume dial, and overall construction quality for its price point. It features a brushed Grade 5 titanium case, a navy blue sandwich dial with an orange minute track and seconds hand, and a Sellita SW330 movement with a 56-hour power reserve. Minor drawbacks noted include bracelet sizing adjustment and lume brightness. On balance, owners and reviewers rate Oak & Oscar The Humboldt GMT SAR Edition highly for its robust construction and unique dial design at its price point.

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