Side by side

Glycine Combat SubvsSeiko Prospex Rotocall

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

Combat Sub
GlycineCombat Sub
MSRP $895
Prospex Rotocall
SeikoProspex Rotocall
MSRP $550

At a glance

19 of 29 specs differ
Diameter
Combat Sub40mm
Prospex Rotocall37mm
Power Reserve
Combat Sub
Prospex Rotocall40h
Water Resistance
Combat Sub200m
Prospex Rotocall100m
MSRP
Combat Sub$895
Prospex Rotocall$550

Full specifications

Case

7 specs
Category
Diver
Sport
Diameter
40mm
37mm
Thickness
11.15mm
10.6mm
Lug-to-Lug
43.5mm
Finish
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Green
Black
Indices
Applied
Lume
Luminous
None

Movement

5 specs
Caliber
515
A824
Beat Rate
28,800 vph
Power Reserve
40h
Jewels
1
25
Complications
Date
None

Pricing

1 specs
MSRP
$895
$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

The Glycine Combat Sub is widely praised for its exceptional thinness, with multiple sources highlighting its sub-11mm case height and comfortable wearability, even on smaller wrists. Owners appreciate its unique, non-homage aesthetic, refined finishing, and excellent value for money. Specific positive notes include a buttery smooth bezel action, tasteful indices, crisp font, and a matching date wheel. Accuracy is reported to rival COSC standards by one owner, and durability is noted as exceptional. However, some owners report inconsistent power reserve and sub-par lume that is difficult to read in low light. On balance, owners and community members rate the Glycine Combat Sub highly for its slim profile and unique design at an accessible price point.

From video reviewers

The slim case profile and comfortable wearability are praised. The bezel action received criticism for having slight play and a less-than-satisfying click.

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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