Side by side

Glycine Combat Sub Sport GMTvsTudor Black Bay Ceramic

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

Combat Sub Sport GMT
GlycineCombat Sub Sport GMT
MSRP $2,995
Black Bay Ceramic
TudorBlack Bay Ceramic
MSRP $6,125

At a glance

16 of 29 specs differ
Diameter
Combat Sub Sport GMT42mm
Black Bay Ceramic41mm
Power Reserve
Combat Sub Sport GMT48h
Black Bay Ceramic70h
Water Resistance
Combat Sub Sport GMT200m
Black Bay Ceramic200m
MSRP
Combat Sub Sport GMT$2,995
Black Bay Ceramic$6,125

Full specifications

Case

7 specs
Category
GMT
Diver
Diameter
42mm
41mm
Thickness
10.85mm
14.4mm
Lug-to-Lug
46mm
Material
Stainless Steel
Ceramic
Finish
Brushed and polished
Caseback
Engraved

Crystal & Dial

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

Movement

3 specs
Caliber
SW330-2
MT5602-1U
Power Reserve
48h
70h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,995
$6,125

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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

Owners widely praise the Glycine Combat Sub Sport GMT for its solid build, slim wearability, and value, with many noting its comfortable fit due to curved lugs and thin case. Reviewers highlight its classic design, unique dial, and legible date window, while some owners report excellent bezel action and accuracy under +1 second per day after regulation. A minor criticism is a slightly off-color lume pip on the chapter ring, and one owner notes sub-par lume and inconsistent power reserve not always reaching 42 hours. On balance, owners and reviewers rate the Glycine Combat Sub Sport GMT highly for its comfortable wearability and value at the price point.

Tudor Black Bay Ceramic

The Tudor Black Bay Ceramic's matte ceramic case and bracelet offer a stealthy, scratch-proof aesthetic that shifts from anthracite to gray in light. Reviewers note its comfortable wearability, with one highlighting improved comfort over steel versions, and praise the METAS-certified MT5602-U movement. However, the sandblasted finishing is described as lacking contrast, and the bracelet's butterfly clasp omits on-the-fly adjustment. The PVD-treated steel bezel ring is also flagged as a potential wear-and-tear vulnerability. On balance, reviewers find the Tudor Black Bay Ceramic appealing for its unique ceramic construction and durable, stealthy finish, despite some functional limitations.

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