Side by side

Glycine Combat Sub Sport GMT BronzevsSeestern S456 GMT

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
S456 GMT
SeesternS456 GMT
MSRP $299

At a glance

18 of 29 specs differ
Diameter
Combat Sub Sport GMT Bronze42mm
S456 GMT41mm
Power Reserve
Combat Sub Sport GMT Bronze48h
S456 GMT41hh
Water Resistance
Combat Sub Sport GMT Bronze200m
S456 GMT200m
MSRP
Combat Sub Sport GMT Bronze$2,995
S456 GMT$299

Full specifications

Case

7 specs
Diameter
42mm
41mm
Thickness
12mm
13mm
Lug-to-Lug
49mm
Lug Width
22mm
20mm
Material
Bronze
316L Stainless Steel
Finish
Brushed + Polished
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Sunray style, applied and Diamond cut Indices, C1 lume
Indices
Applied
Lume
Luminous
C1

Movement

5 specs
Caliber
SW330-2
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
48h
41hh
Jewels
25
24
Complications
GMT, Date
GMT

Pricing

1 specs
MSRP
$2,995
$299

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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.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

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