Side by side

AVI-8 Flyboy Airmaster GMT AutomaticvsLorier Neptune SIV

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
Neptune SIV
LorierNeptune SIV
MSRP $599

At a glance

8 of 29 specs differ
Diameter
Flyboy Airmaster GMT Automatic40mm
Neptune SIV39mm
Power Reserve
Flyboy Airmaster GMT Automatic40h
Neptune SIV40h
Water Resistance
Flyboy Airmaster GMT Automatic50m
Neptune SIV200m
MSRP
Flyboy Airmaster GMT Automatic$365
Neptune SIV$599

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
40mm
39mm
Lug Width
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
50m
200m

Crystal & Dial

1 specs
Dial Color
Black
Standard

Movement

1 specs
Caliber
NH34

Pricing

1 specs
MSRP
$365
$599

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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.

Lorier Neptune SIV

Owners widely praise the Lorier Neptune SIV for its versatile, vintage-inspired design featuring a glossy gilt-style dial and a comfortable, tapered bracelet, noting its affordability reduces wear anxiety. Reviewers and owners alike mention the acrylic crystal as a point of contention, with some preferring sapphire, and one owner finds the bracelet lacks the feel of more expensive options. On balance, owners and reviewers rate the Lorier Neptune SIV highly for its appealing vintage aesthetic and value proposition.

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