Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsCWC RN Quartz Divers Watch Mk.2, Matte Top

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

Flyboy Airmaster GMT Automatic
AVI-8Flyboy Airmaster GMT Automatic
MSRP $365
RN Quartz Divers Watch Mk.2, Matte Top
CWCRN Quartz Divers Watch Mk.2, Matte Top
MSRP $604

At a glance

13 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
RN Quartz Divers Watch Mk.2, Matte Top41mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
RN Quartz Divers Watch Mk.2, Matte Top40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
RN Quartz Divers Watch Mk.2, Matte Top300m
MSRP
Flyboy Airmaster GMT Automatic$365
RN Quartz Divers Watch Mk.2, Matte Top$604

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
40mm
41mm
Thickness
12mm
Lug-to-Lug
47mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
300m

Crystal & Dial

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

Movement

2 specs
Caliber
NH34
Ronda 517
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$365
$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.

AVI-8 Flyboy Airmaster GMT Automatic

Owners widely praise the AVI-8 Flyboy Airmaster GMT Automatic for its robust build quality, intricate three-timezone function, and crisp dial texture. The watch is noted for its wearable 41mm case size and 48.5mm lug-to-lug, with an internally positioned GMT complication that maintains a clean dial appearance. Some owners report the stock leather strap feels cheap and limits strap changing options. On balance, owners rate the AVI-8 Flyboy Airmaster GMT Automatic highly for its solid finishing and value, particularly highlighting the dial's depth and texture.

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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