Side by side

Glycine Airman No. 1 PuristvsBoldr Globetrotter GMT

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

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.

Boldr Globetrotter GMT

The Boldr Globetrotter GMT is praised for its legibility and finishing, featuring applied Super-LumiNova indices and sword hands on a matte black or sunburst blue dial. Reviewers highlight the ceramic bezel's sharp city markings and tight, smooth ratcheting action. The 44mm 316L stainless steel case exhibits a non-traditional design with radial and vertical brushing.

At a glance

17 of 29 specs differ
Diameter
Airman No. 1 Purist36mm
Globetrotter GMT40mm
Power Reserve
Airman No. 1 Purist48h
Globetrotter GMT
Water Resistance
Airman No. 1 Purist30m
Globetrotter GMT200m
MSRP
Airman No. 1 Purist$2,800
Globetrotter GMT$469

Full specifications

Case

6 specs
Diameter
36mm
40mm
Thickness
11.6mm
12.7mm
Lug-to-Lug
48mm
Finish
Water Resistance
30m
200m
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Yes
Dial Color
Silver
GMT Banff
Indices
Lume
Luminous
Super-LumiNova

Movement

5 specs
Caliber
Sellita SW330-2
Seiko NH34 GMT
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
0h
Jewels
25
0
Complications
Date
None

Pricing

1 specs
MSRP
$2,800
$469
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