Side by side

Glycine Airman No. 1 PuristvsGruppo Gamma Field III GMT

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

Airman No. 1 Purist
GlycineAirman No. 1 Purist
MSRP $2,800
Field III GMT
Gruppo GammaField III GMT
MSRP $459

At a glance

16 of 29 specs differ
Diameter
Airman No. 1 Purist36mm
Field III GMT40mm
Power Reserve
Airman No. 1 Purist48h
Field III GMT41h
Water Resistance
Airman No. 1 Purist30m
Field III GMT200m
MSRP
Airman No. 1 Purist$2,800
Field III GMT$459

Full specifications

Case

7 specs
Diameter
36mm
40mm
Thickness
11.6mm
14mm
Lug-to-Lug
48.5mm
Lug Width
20mm
22mm
Finish
Brushed and polished
Water Resistance
30m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Silver
Black
Indices
Applied
Lume
Luminous
Super-LumiNova

Movement

3 specs
Caliber
SW330-2
Seiko Instruments NH38A
Power Reserve
48h
41h
Complications
Date
GMT

Pricing

1 specs
MSRP
$2,800
$459

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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.

Glycine Airman No. 1 Purist

The Glycine Airman No. 1 Purist is praised as a faithful re-creation of a historical 24-hour watch, with one owner purchasing it for $620 and viewing it as a long-term keeper due to its heritage reissue status and vintage aesthetics. The 36mm size is noted as a conversation starter. However, the acrylic crystal is prone to scratching, with one example showing a small scratch over the date window. Some community members suggest pre-Invicta models may hold value better. Overall, owners appreciate the Glycine Airman No. 1 Purist for its authentic vintage appeal and unique dial, though the acrylic crystal requires careful handling.

Gruppo Gamma Field III GMT

Owners praise the Gruppo Gamma Field III GMT for its look and value, with specific mentions of its sandwich dial and comfortable OEM straps. One owner notes incredible quality for the price across their Gruppo Gamma watches. The watch features a 40mm brushed stainless steel case, box sapphire crystal, and a Seiko NH34A movement with a 41-hour power reserve and stated accuracy of -20~+40 s/day. Some find the lack of a date window a drawback for a GMT, and question its differentiation from other NH34-powered watches. On balance, owners and reviewers find the Gruppo Gamma Field III GMT to be a good value with quality construction for its price point.

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