Side by side

Glycine Airman GMTvsHamilton Khaki Aviation X-Wind Day Date Auto

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 GMT

Owners widely praise the Glycine Airman GMT for its value and classic design, with specific appreciation for its 39mm sizing, 200m water resistance, and beefy signed crowns. Reviewers highlight its faithful re-issue nature, retaining vintage features like the plexiglass crystal and locking friction bezel with a thumbscrew crown, while some owners note its subtle blue degrade dial and red-tipped GMT hand. Accuracy from its Sellita-based automatic movement is described as acceptable, though some owners find the dual 12-hour and 24-hour scales confusing and the slim GMT hand difficult to read. On balance, enthusiasts and reviewers rate the Glycine Airman GMT highly for its vintage charm and robust build at its price point.

Hamilton Khaki Aviation X-Wind Day Date Auto

Owners widely praise the Hamilton Khaki Aviation X-Wind Day Date Auto for its value, technical aesthetic, and versatile wearability with straps. Reviewers and owners alike highlight its excellent legibility, bold Arabic numerals, and the appeal of its pilot watch design, with many appreciating the 80-hour power reserve. Some owners find the crosswind calculation functions unnecessary, and there are mixed views on the dial's font usage and color matching. Lume is frequently noted as weak, and some find the size large or the left-handed crown and pusher setup uncomfortable. Accuracy figures range from gaining 6 seconds in a few days to approximately -6 seconds per day. Overall, owners rate the Hamilton Khaki Aviation X-Wind Day Date Auto highly for its impressive value and functional pilot watch design.

From video reviewers

The H-21 movement's 60-hour power reserve is a notable strength. The large 44mm case size was mentioned as a potential drawback.

At a glance

18 of 29 specs differ
Diameter
Airman GMT46mm
Khaki Aviation X-Wind Day Date Auto45mm
Power Reserve
Airman GMT48h
Khaki Aviation X-Wind Day Date Auto80h
Water Resistance
Airman GMT100m
Khaki Aviation X-Wind Day Date Auto100m
MSRP
Airman GMT$2,950
Khaki Aviation X-Wind Day Date Auto$1,375

Full specifications

Case

7 specs
Category
GMT
Pilot
Diameter
46mm
45mm
Thickness
12.18mm
12.8mm
Lug-to-Lug
54mm
Lug Width
24mm
22mm
Finish
Caseback

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Dial Color
Black
Green
Indices
Lume
Luminous
None

Movement

5 specs
Caliber
Sellita SW330-2
H-30
Beat Rate
28,800 vph
0 vph
Power Reserve
48h
80h
Jewels
25
0
Complications
GMT
None

Pricing

1 specs
MSRP
$2,950
$1,375
Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Follow this matchup

Get a note when Glycine Airman GMT vs Hamilton Khaki Aviation X-Wind Day Date Auto gets more votes, a community discussion, or a price drop. No account needed.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.