Side by side

Glycine Combat Sub SportvsTudor Black Bay GMT S&G

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

Combat Sub Sport
GlycineCombat Sub Sport
MSRP $1,650
Black Bay GMT S&G
TudorBlack Bay GMT S&G
MSRP $5,825

At a glance

19 of 29 specs differ
Diameter
Combat Sub Sport42mm
Black Bay GMT S&G41mm
Power Reserve
Combat Sub Sport38h
Black Bay GMT S&G70h
Water Resistance
Combat Sub Sport200m
Black Bay GMT S&G200m
MSRP
Combat Sub Sport$1,650
Black Bay GMT S&G$5,825

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
42mm
41mm
Thickness
10.45mm
14.6mm
Lug-to-Lug
46mm
Finish
Polished + Satin
Caseback
Engraved

Crystal & Dial

5 specs
Crystal Shape
AR Coating
Dial Color
Black
Indices
Lume
Luminous
None

Movement

7 specs
Caliber
SW200-1
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
38h
70h
Jewels
26
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Date
GMT

Pricing

1 specs
MSRP
$1,650
$5,825

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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

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.

Tudor Black Bay GMT S&G

Owners widely praise the Tudor Black Bay GMT S&G for its muted gold tone and cohesive design, with reviewers noting its value proposition around $5,000-$5,300, powered by an in-house GMT movement. Some owners find the 41mm case and weight make it feel large on the wrist, while reviewers are split on wearability and the execution of the "Root Beer" aesthetic. Concerns are raised about the aluminum bezel insert and initial wear on the gold plating at its price point, though some see the gold-capped bracelet and crown as understandable compromises. Overall, owners and reviewers rate the Tudor Black Bay GMT S&G highly for its unique aesthetic and strong value, with the cohesive design and GMT functionality being key draws.

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