Side by side

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

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
Kamasu
OrientKamasu
MSRP $375

At a glance

14 of 29 specs differ
Diameter
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Kamasu41.8mm
Power Reserve
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Kamasu40h
Water Resistance
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
Kamasu200m
MSRP
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250
Kamasu$375

Full specifications

Case

5 specs
Diameter
46mm
41.8mm
Thickness
18mm
12.8mm
Lug-to-Lug
55mm
47mm
Material
316L Stainless Steel (Anthracite IP)
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Anthracite
Black
Indices
Applied

Movement

4 specs
Caliber
Sellita SW220-1
F6922
Beat Rate
28,800 vph
21,600 vph
Jewels
25
22
Complications
None
Day-date

Pricing

1 specs
MSRP
$3,250
$375

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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.

Orient Kamasu

Owners widely praise the Orient Kamasu for its excellent value, robust build quality suitable for daily wear, and attractive design featuring applied indices and a sunburst dial. Reviewers and owners consistently highlight its strong lume, hacking and hand-winding movement, sapphire crystal, and sub-42mm dimensions. Some owners note a rattle, a crown that can be hard to grip, and a bezel with noticeable play or a tendency to become sticky. The bracelet is frequently criticized for its hollow end links and pressed clasp, though opinions on its taper vary. Accuracy figures reported by owners range from approximately +15 seconds per day to more precise timekeeping. Overall, owners rate the Orient Kamasu highly for its impressive finishing and features at its price point.

From video reviewers

The Orient Kamasu's compact package makes it suitable for smaller wrists without compromising wrist presence. A notable weakness is that the bracelet is decent but may have some issues, although the reviewer does not elaborate. Reviewers disagree on the value for money, with one highlighting the affordable price and in-house movement, while the other implies a trade-off in value.

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