Side by side
Glycine Airman No. 1 GMTvsHemel HD24 Automatic
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
18 of 29 specs differDiameter
Airman No. 1 GMT36mm
HD24 Automatic40mm
Power Reserve
Airman No. 1 GMT48h
HD24 Automatic40h
Water Resistance
Airman No. 1 GMT30m
HD24 Automatic200m
MSRP
Airman No. 1 GMT$2,800
HD24 Automatic$300
Full specifications
Case
8 specsCategory
GMT
Diver
Diameter
36mm
40mm
Thickness
11.6mm
13mm
Lug-to-Lug
—
48mm
Material
Stainless Steel
316L Stainless Steel
Finish
—
Brushed and polished
Water Resistance
30m
200m
Caseback
—
Solid
Crystal & Dial
6 specsCrystal
Sapphire
Domed Sapphire
Crystal Shape
—
Flat
AR Coating
—
Inner
Dial Color
Silver
Gallant USAF Edition
Indices
—
Applied
Lume
Luminous
None
Movement
3 specsCaliber
SW330-2
Seiko NH38A
Power Reserve
48h
40h
Complications
GMT, Date
None
Pricing
1 specsMSRP
$2,800
$300
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