Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsTimefactors NAVIGATOR PRS-48

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

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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.

Timefactors NAVIGATOR PRS-48

Owners widely praise the Timefactors NAVIGATOR PRS-48 for its simplicity, legibility, and 36mm case size, which satisfies a desire for a smaller timepiece. One owner finds it a versatile everyday and business-casual watch after five months of ownership. On balance, owners rate the Timefactors NAVIGATOR PRS-48 highly for its wearability and classic design at the price.

At a glance

12 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
NAVIGATOR PRS-4836mm
Power Reserve
Flyboy Airmaster GMT Automatic
NAVIGATOR PRS-48
Water Resistance
Flyboy Airmaster GMT Automatic50m
NAVIGATOR PRS-48100m
MSRP
Flyboy Airmaster GMT Automatic$365
NAVIGATOR PRS-48$664

Full specifications

Case

7 specs
Category
GMT
Diameter
40mm
36mm
Thickness
11.3mm
Lug-to-Lug
46.4mm
Lug Width
18mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

1 specs
Dial Color
Black

Movement

3 specs
Caliber
Seiko NH34
Sellita SW210-1
Type
Automatic
Manual
Power Reserve
0h

Pricing

1 specs
MSRP
$365
$664
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