Side by side

Glycine Combat Sub Sport GMT BronzevsSeiko Prospex Sea

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

Combat Sub Sport GMT Bronze
GlycineCombat Sub Sport GMT Bronze
MSRP $2,995
Prospex Sea
SeikoProspex Sea
MSRP $900

At a glance

18 of 29 specs differ
Diameter
Combat Sub Sport GMT Bronze42mm
Prospex Sea41mm
Power Reserve
Combat Sub Sport GMT Bronze48h
Prospex Sea70h
Water Resistance
Combat Sub Sport GMT Bronze200m
Prospex Sea200m
MSRP
Combat Sub Sport GMT Bronze$2,995
Prospex Sea$900

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
42mm
41mm
Thickness
12mm
12.3mm
Lug-to-Lug
46.9mm
Lug Width
22mm
20mm
Material
Bronze
Stainless Steel
Finish
Brushed and polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Blue
Black
Indices
Applied
Lume
Luminous
LumiBrite on hands, index(es) and bezel

Movement

4 specs
Caliber
SW330-2
6R35
Power Reserve
48h
70h
Jewels
25
24
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,995
$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 Sport GMT Bronze

Owners report the Glycine Combat Sub Sport GMT Bronze offers a unique aesthetic and remarkable value, often found at significant discounts. One owner notes difficulty matching straps with the bronze dial and that seawater exposure can cause rapid, undesirable patina, suggesting regular cleaning mitigates issues. Another owner flags sub-par lume that is difficult to read at night and an inconsistent power reserve that may not reach the advertised 42 hours. On balance, owners value the Glycine Combat Sub Sport GMT Bronze for its unique aesthetic and strong value proposition, though lume and power reserve performance are noted concerns.

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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