Side by side

Glycine Combat Sub Sport GMTvsSeiko Prospex Rotocall

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

Combat Sub Sport GMT
GlycineCombat Sub Sport GMT
MSRP $1,295
Prospex Rotocall
SeikoProspex Rotocall
MSRP $550

At a glance

20 of 29 specs differ
Diameter
Combat Sub Sport GMT42mm
Prospex Rotocall37mm
Power Reserve
Combat Sub Sport GMT
Prospex Rotocall40h
Water Resistance
Combat Sub Sport GMT200m
Prospex Rotocall100m
MSRP
Combat Sub Sport GMT$1,295
Prospex Rotocall$550

Full specifications

Case

9 specs
Category
GMT
Sport
Diameter
42mm
37mm
Thickness
11mm
10.6mm
Lug-to-Lug
43.5mm
Lug Width
22mm
20mm
Material
Rose Gold
Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Black
Indices
Applied

Movement

5 specs
Caliber
RONDA 515.24H
A824
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$1,295
$550

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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 Combat Sub Sport GMT

Owners widely praise the Glycine Combat Sub Sport GMT for its refined feel and sleek wearability, with many noting its thin profile and downward-curving lugs contribute to comfort. Reviewers and owners alike highlight its exceptional value and solid build quality. Some owners report the lume is sub-par, and one noted a slightly off-color lume pip on the chapter ring. Accuracy figures vary, with one owner achieving +1 second per day after regulation, while another found the stock beat error acceptable for the price. The power reserve can be inconsistent, and the lack of a date cyclops is a minor drawback for some. On balance, owners rate the Glycine Combat Sub Sport GMT highly for its impressive thinness and refined aesthetic at its price point.

Seiko Prospex Rotocall

Owners widely praise the Seiko Prospex Rotocall for its charismatic retro design and comfortable 37mm size, with many appreciating its space-faring heritage. However, multiple sources criticize its price point, suggesting it is too high for an all-digital quartz watch with features like a stamped clasp, mineral crystal, and standard quartz movement. Some owners also note drawbacks such as a flimsy battery mount and split pin bracelet construction. On balance, owners and reviewers find the Seiko Prospex Rotocall visually appealing and a faithful re-release, but its value proposition is frequently questioned due to its price.

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