Side by side

Glycine Airman GMTvsSeiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

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

Airman GMT
GlycineAirman GMT
MSRP $2,950

At a glance

17 of 29 specs differ
Diameter
Airman GMT46mm
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition44mm
Power Reserve
Airman GMT48h
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition50h
Water Resistance
Airman GMT100m
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition200m
MSRP
Airman GMT$2,950
Prospex Sea 1970 Heritage Diver's Black Series Limited Edition$3,300

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
46mm
44mm
Thickness
12.18mm
13mm
Lug-to-Lug
49.3mm
Lug Width
24mm
20mm
Finish
Brushed and polished
Water Resistance
100m
200m
Caseback
Solid

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Indices
Applied
Lume
Luminous
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
SW330-2
8L35
Power Reserve
48h
50h
Jewels
25
26
Complications
GMT
None

Pricing

1 specs
MSRP
$2,950
$3,300

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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 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.

Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition

Owners widely praise the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition for its attractive, well-made design and gorgeous dial, noting its jewel-toned teal color and rippling-water pattern. The bezel action is smooth with a muted sound, and the case and bracelet offer a more comfortable feel than previous iterations. However, multiple owners express disappointment with the accuracy of the 6R movement at its price point, with some noting theirs runs slow, and consider the price too high. The steep rehaut and marker size make the 24-hour numbers difficult to read, and some find the case design makes the watch feel top-heavy despite wearing smaller. Overall, owners rate the Seiko Prospex Sea 1970 Heritage Diver's Black Series Limited Edition highly for its striking dial and refined case design, despite concerns regarding movement accuracy at its price.

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