Side by side

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

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
Coutura
SeikoCoutura
MSRP $550

At a glance

12 of 29 specs differ
Diameter
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Coutura45.6mm
Power Reserve
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Coutura40h
Water Resistance
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
Coutura100m
MSRP
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Coutura$550

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
46mm
45.6mm
Thickness
18mm
11.7mm
Lug-to-Lug
55mm
56mm
Lug Width
22mm
15mm
Material
316L Stainless Steel (Anthracite IP)
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

2 specs
Dial Color
Anthracite
Black
Lume
None
LumiBrite on Hands

Movement

2 specs
Caliber
Sellita SW220-1
7T12
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$3,250
$550

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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.

Seiko Coutura

Seiko Coutura owners widely praise its solar and perpetual calendar features for reliability and low maintenance, with many appreciating its captivating appearance and comfortable, albeit sometimes gaudy, design. The metal treatments are noted for wear resistance, with one owner reporting minimal scratching after six years. However, opinions on styling are divided; some find the dial busy and accents potentially "fake gold," while others enjoy its unique and fun aesthetic. The proprietary bracelet is a point of dissatisfaction for some, and one owner felt the watch sat too high and looked like a replica. Another owner reported a poor solar power reserve requiring constant light exposure, though a kinetic perpetual model was noted for a 4-year power reserve. Overall, owners rate the Seiko Coutura highly for its solar and perpetual calendar complications, viewing it as a reliable and attractive "guilty pleasure."

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