Side by side

Glycine Airman GMTvsSpinnaker Spence 300

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

Airman GMT
GlycineAirman GMT
MSRP $1,295
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

20 of 29 specs differ
Diameter
Airman GMT45mm
Spence 30040mm
Power Reserve
Airman GMT
Spence 30040h
Water Resistance
Airman GMT200m
Spence 300300m
MSRP
Airman GMT$1,295
Spence 300$650

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
45mm
40mm
Thickness
13mm
11.5mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Aquamarine
Indices
Applied

Movement

6 specs
Caliber
SII NH35A
Type
Quartz
Automatic
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
GMT
None

Pricing

1 specs
MSRP
$1,295
$650

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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 GMT

Owners widely appreciate the Glycine Airman GMT's ability to track three time zones with an easy-to-read dial layout. However, some owners find the GMT hand visually similar to the minute hand, suggesting a red paint for better distinction, a sentiment echoed by reviewers who note the thin, unlumed GMT hand can be hard to read against the black dial. One owner praises the 39mm sizing and 200m water resistance of a related model, noting its good build and finishing from when Glycine was independent. On balance, owners and reviewers find the Glycine Airman GMT offers practical multi-time zone tracking, though legibility of the GMT hand is a recurring point of discussion.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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