Side by side

Glycine Combat Sub Sport GMTvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

17 of 29 specs differ
Diameter
Combat Sub Sport GMT42mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Combat Sub Sport GMT48h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Combat Sub Sport GMT200m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Combat Sub Sport GMT$2,995
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

8 specs
Category
GMT
Diver
Diameter
42mm
46mm
Thickness
10.85mm
18mm
Lug-to-Lug
55mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)
Finish
Brushed and polished
Water Resistance
200m
300m
Caseback
Solid

Crystal & Dial

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

Movement

3 specs
Caliber
SW330-2
Sellita SW220-1
Power Reserve
48h
40h
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$2,995
$3,250

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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.

Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

Owners widely praise the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic as a tough, underrated tool watch with lifestyle appeal, highlighting its robust build and tritium lume for excellent legibility. However, its 46mm size is a common criticism, with some finding it heavy and top-heavy, and the OEM rubber strap stiff. One owner noted the watch runs about 10 seconds fast after three days, and the ETA 2836-2 movement offers approximately two days of power reserve. On balance, owners and reviewers rate the Marathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic highly for its robust tool-watch build and legibility, despite its substantial size.

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