Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsChristopher Ward C1 Moonphase 37

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
C1 Moonphase 37
Christopher WardC1 Moonphase 37
MSRP $3,050

At a glance

16 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
C1 Moonphase 3744.07mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
C1 Moonphase 3738h
Water Resistance
Flyboy Airmaster GMT Automatic50m
C1 Moonphase 3730m
MSRP
Flyboy Airmaster GMT Automatic$365
C1 Moonphase 37$3,050

Full specifications

Case

8 specs
Category
GMT
Dress
Diameter
40mm
44.07mm
Thickness
13.1mm
Lug-to-Lug
44.07mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
50m
30m

Crystal & Dial

2 specs
Dial Color
Black
Blue
Lume
None
SLN X1 WL C1

Movement

5 specs
Caliber
NH34
SW220
Beat Rate
28,800 vph
4 vph
Power Reserve
40h
38h
Jewels
25
26
Complications
None
Moonphase

Pricing

1 specs
MSRP
$365
$3,050

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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.

Christopher Ward C1 Moonphase 37

Owners widely praise the Christopher Ward C1 Moonphase 37 for its aventurine dial and moon display, with one user awarding it a perfect score for its celestial theme. However, the lack of hour markers and lume-less hands make time-telling difficult, and hands can disappear against the dial. The COSC-certified movement averages +2.3 seconds per day, and the bracelet clasp is noted for comfort. The moonphase complication itself is reported by one owner to be inaccurate despite manufacturer attempts to correct it, though other users view such complications as primarily decorative. The 38-hour power reserve is considered short. Overall, owners rate the Christopher Ward C1 Moonphase 37 highly for its striking aventurine dial and moon focus, despite challenges with legibility and the practical accuracy of its moonphase complication.

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