Side by side

Glycine Combat ClassicvsSeiko Prospex Sea

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

Combat Classic
GlycineCombat Classic
MSRP $1,550
Prospex Sea
SeikoProspex Sea
MSRP $595
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 Classic

Owners widely praise the Glycine Combat Classic for its refined engineering, comfortable wearability, and well-designed, legible dial. The lume on the markers and Arabic numerals is noted as sufficient, though the lume on the hands is minimal. One owner reported their 42mm version outperformed other watches despite rough use, while another found the quality fantastic but gave away the 42mm version due to its size. On balance, owners rate the Glycine Combat Classic highly for its quality and finishing at the price, with the primary caveat being the size of the 42mm variant for some wearers.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its excellent value, robust build, and superior lume, with many noting its comfortable wearability and faithful design recreations. Some owners report the watch can feel big, thick, and heavy on smaller wrists, while others find the sizing perfect. The bezel action is frequently highlighted as smooth and precise, often exceeding that of less expensive models. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its impressive finishing and value proposition.

At a glance

18 of 29 specs differ
Diameter
Combat Classic43mm
Prospex Sea41.7mm
Power Reserve
Combat Classic38h
Prospex Sea41h
Water Resistance
Combat Classic50m
Prospex Sea200m
MSRP
Combat Classic$1,550
Prospex Sea$595

Full specifications

Case

8 specs
Category
Diver
Diameter
43mm
41.7mm
Thickness
10.7mm
12.3mm
Lug-to-Lug
49.5mm
Lug Width
22mm
20mm
Finish
Brushed and polished
Water Resistance
50m
200m
Caseback
Solid

Crystal & Dial

6 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Gold
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Sellita SW200-1
4R35
Power Reserve
38h
41h
Jewels
26
23

Pricing

1 specs
MSRP
$1,550
$595
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