Side by side

Glycine Airman No. 1 PuristvsSpinnaker Cahill Automatic

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
Cahill Automatic
SpinnakerCahill Automatic
MSRP $350

At a glance

18 of 29 specs differ
Diameter
Airman No. 1 Purist36mm
Cahill Automatic42mm
Power Reserve
Airman No. 1 Purist48h
Cahill Automatic40h
Water Resistance
Airman No. 1 Purist30m
Cahill Automatic200m
MSRP
Airman No. 1 Purist$2,800
Cahill Automatic$350

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
36mm
42mm
Thickness
11.6mm
13.7mm
Lug-to-Lug
51mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
30m
200m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Silver
Green
Indices
Applied
Lume
Luminous
None

Movement

3 specs
Caliber
SW330-2
SII NH35A
Power Reserve
48h
40h
Complications
Date
None

Pricing

1 specs
MSRP
$2,800
$350

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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.

Spinnaker Cahill Automatic

Owners widely praise the Spinnaker Cahill Automatic for its attractive vintage-inspired design, comfortable wearability on smaller wrists, and good timekeeping, with one owner specifically noting the large "maxi" indices and NATO strap as highlights. However, some find the lume application uneven and note the use of a mineral crystal. A significant concern raised by one owner is a report of internal component failures and a perceived lack of quality control within the brand. On balance, the Spinnaker Cahill Automatic is well-regarded by owners for its style and value, particularly at specific price points, despite some noted manufacturing inconsistencies.

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