Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsTudor Pelagos FXD Chrono

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
Pelagos FXD Chrono
TudorPelagos FXD Chrono
MSRP $6,375

At a glance

12 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Pelagos FXD Chrono43mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Pelagos FXD Chrono70h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Pelagos FXD Chrono100m
MSRP
Flyboy Airmaster GMT Automatic$365
Pelagos FXD Chrono$6,375

Full specifications

Case

8 specs
Category
GMT
Chronograph
Diameter
40mm
43mm
Thickness
13.2mm
Lug-to-Lug
46mm
Lug Width
22mm
Material
316L Stainless Steel
43mm black carbon composite case with matt finish · Lugs: 22mm lug width · Case thickness: 13.2mm
Water Resistance
50m
100m
Caseback
Solid
Solid screw-down

Movement

3 specs
Caliber
NH34
MT5813
Power Reserve
40h
70h
Complications
None
Chronograph

Pricing

1 specs
MSRP
$365
$6,375

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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.

Tudor Pelagos FXD Chrono

The Tudor Pelagos FXD Chrono is widely praised for its lightweight construction, with owners highlighting its carbon composite case and titanium case back contributing to exceptional comfort and wearability, even on smaller wrists. Reviewers and owners alike commend its excellent legibility, robust build quality, and impressive bezel action, with a smooth winding feel noted by one owner. The COSC-certified MT5813 movement provides a 70-hour power reserve. However, some find the tachymeter scale difficult to read, and the 45-minute counter impractical for cycling. One owner reported poor timekeeping with a deviation of -3 to -3.5 seconds per day, while another saw accuracy within a couple of seconds per day, and a separate owner noted three services in under two years. The included straps are frequently criticized as less appealing or having short length, and some question the watch's overall utility for cyclists compared to dedicated head units.

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