Side by side

Glycine Combat Sub SportvsSeiko Prospex Sea Save the Ocean Special Edition

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

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

Owners widely praise the Glycine Combat Sub Sport for its exceptional value, thin profile, and solid build quality, often noting its finishing and wearability as superior for its price point. Reviewers consistently flag its slim case, with measurements around 10.4mm to 10.8mm, and appreciate its non-homage design and comfortable lug curvature. Accuracy figures vary, with one owner reporting only 2 seconds per day loss, while another notes their Sellita SW200 movement runs at +6 to +9 seconds per day. Some owners report inconsistent power reserve not reaching the advertised 42 hours and find the lume sub-par for nighttime legibility. A few also mention sharp bracelet edges and a potentially short bracelet for larger wrists, and one owner dislikes the "COMBAT" text on the dial. On balance, owners and reviewers rate the Glycine Combat Sub Sport highly for its impressive thinness and value as a Swiss automatic diver.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its visually striking and unique dial designs, often described as a standout feature offering significant aesthetic appeal for the price. Owners and reviewers consistently highlight the attractive blue gradients, wave patterns, and textured finishes that evoke ocean depths. The watch is generally considered comfortable to wear, with a well-proportioned case size and good build quality. Accuracy is reported as around +5 seconds per day by one owner. However, several sources point to the bracelet and clasp as a weak point, with criticisms including pin-and-collar construction, stamped clasps, and a lack of a convenient diver's extension. Some reviewers also note potential issues with bezel alignment and day/date wheel alignment. On balance, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its exceptional dial design and overall value.

At a glance

18 of 29 specs differ
Diameter
Combat Sub Sport42mm
Prospex Sea Save the Ocean Special Edition42.4mm
Power Reserve
Combat Sub Sport38h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Combat Sub Sport200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Combat Sub Sport$1,650
Prospex Sea Save the Ocean Special Edition$550

Full specifications

Case

6 specs
Diameter
42mm
42.4mm
Thickness
10.45mm
13.4mm
Lug-to-Lug
49.4mm
Lug Width
22mm
20mm
Finish
Caseback

Crystal & Dial

6 specs
Crystal
Sapphire
Hardlex
Crystal Shape
AR Coating
Dial Color
Indices
Lume
Luminous
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
Sellita SW200-1
Seiko 4R36
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
41h
Jewels
26
24
Complications
Date
None

Pricing

1 specs
MSRP
$1,650
$550
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