Side by side

Glycine Combat SubvsSeiko Prospex Sea

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

Combat Sub
GlycineCombat Sub
MSRP $1,850
Prospex Sea
SeikoProspex Sea
MSRP $900

At a glance

15 of 29 specs differ
Diameter
Combat Sub42mm
Prospex Sea41mm
Power Reserve
Combat Sub38h
Prospex Sea70h
Water Resistance
Combat Sub200m
Prospex Sea200m
MSRP
Combat Sub$1,850
Prospex Sea$900

Full specifications

Case

6 specs
Diameter
42mm
41mm
Thickness
10.45mm
12.3mm
Lug-to-Lug
46.9mm
Lug Width
22mm
20mm
Finish
Brushed and polished
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
SW200-1
6R35
Power Reserve
38h
70h
Jewels
26
24
Complications
Date
None

Pricing

1 specs
MSRP
$1,850
$900

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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

Owners widely praise the Glycine Combat Sub for its exceptional thinness, with many noting its 10.4mm to 10.8mm profile for a diver, perfect proportions, and solid build quality that offers significant value, especially at discounted prices. Its unique aesthetic is appreciated for avoiding homage looks, and the lug design contributes to a smaller perceived wear size despite its 42mm case. Some owners report an inconsistent power reserve and sub-par lume that can be difficult to read at night, while one owner noted a slightly off-color lume pip on the chapter ring. Overall, owners rate the Glycine Combat Sub highly for its refined feel, slim profile, and value proposition.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

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