Side by side

Bremont S302vsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

S302
BremontS302
MSRP $3,900
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

8 of 29 specs differ
Diameter
S30240mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
S30240h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
S302300m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
S302$3,900
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

5 specs
Diameter
40mm
46mm
Thickness
13mm
18mm
Lug-to-Lug
55mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
316L Stainless Steel (Anthracite IP)

Crystal & Dial

1 specs
Dial Color
Blue
Anthracite

Movement

1 specs
Caliber
BE-92AE
Sellita SW220-1

Pricing

1 specs
MSRP
$3,900
$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.

Bremont S302

Owners widely praise the Bremont S302 for its balanced 40mm proportions, legible matte dial with attractive tan accents, and satisfying bezel action, with one owner noting its hard, scratch-resistant case. Reviewers highlight its 300m water resistance and GMT function, though some find the bezel integration a compromise and the GMT hand adjustment limited. Accuracy figures vary, with one owner reporting theirs keeps accurate time and another noting potential alignment issues requiring service. The ETA movement at its price point is considered high by some reviewers. Overall, owners and reviewers appreciate the Bremont S302 as a handsome and functional dive-style GMT, with its comfortable lug design and subtle appeal being key strengths.

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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