Side by side

Glycine Combat Sub Sport GMT BronzevsSpinnaker Spence 300

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
Spence 300
SpinnakerSpence 300
MSRP $650

At a glance

18 of 29 specs differ
Diameter
Combat Sub Sport GMT Bronze42mm
Spence 30040mm
Power Reserve
Combat Sub Sport GMT Bronze48h
Spence 30040h
Water Resistance
Combat Sub Sport GMT Bronze200m
Spence 300300m
MSRP
Combat Sub Sport GMT Bronze$2,995
Spence 300$650

Full specifications

Case

9 specs
Category
GMT
Diver
Diameter
42mm
40mm
Thickness
12mm
11.5mm
Lug-to-Lug
48mm
Lug Width
22mm
20mm
Material
Bronze
316L Stainless Steel
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Blue
Aquamarine
Indices
Applied
Lume
Luminous
None

Movement

3 specs
Caliber
SW330-2
SII NH35A
Power Reserve
48h
40h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,995
$650

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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.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

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