Side by side

Marathon JDD (Jumbo Day/Date) Anthracite Diver's AutomaticvsSugess Seestern S446 GMT

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

JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250
Seestern S446 GMT
SugessSeestern S446 GMT
MSRP $269

At a glance

14 of 29 specs differ
Diameter
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Seestern S446 GMT40mm
Power Reserve
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Seestern S446 GMT41h
Water Resistance
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
Seestern S446 GMT100m
MSRP
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Seestern S446 GMT$269

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
46mm
40mm
Thickness
18mm
10mm
Lug-to-Lug
55mm
47mm
Lug Width
22mm
19mm
Material
316L Stainless Steel (Anthracite IP)
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Anthracite
Black
Lume
None
Tritium

Movement

4 specs
Caliber
Sellita SW220-1
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$3,250
$269

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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.

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.

Sugess Seestern S446 GMT

Owners widely praise the Sugess Seestern S446 GMT for its outstanding finishing and materials at its price point, with specific mentions of the cream or ivory dial, polished hands, and clear crystal offering superb legibility. Accuracy is generally good, with one owner reporting +2/3 seconds per day from the Seiko NH34A movement. Some owners find the lume is not a strong point, and the bracelet clasp could benefit from more micro-adjustment, with screw pins noted as cheap. The GMT hand is described as flat by some, and opinions are split on the "Sugess" versus "Seestern" logo. Overall, owners rate the Sugess Seestern S446 GMT highly for its beautiful dial and excellent build quality for the price.

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