Side by side

Eone Relay BradleyvsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Relay Bradley
EoneRelay Bradley
MSRP $100
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

12 of 29 specs differ
Diameter
Relay Bradley40mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Relay Bradley40h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Relay Bradley30m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Relay Bradley$100
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

7 specs
Category
Casual
Diver
Diameter
40mm
46mm
Thickness
11.5mm
18mm
Lug-to-Lug
55mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
316L Stainless Steel (Anthracite IP)
Water Resistance
30m
300m

Crystal & Dial

2 specs
Crystal
Mineral
Sapphire
Dial Color
Black
Anthracite

Movement

2 specs
Caliber
Sellita SW220-1
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$100
$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.

Eone Relay Bradley

The Eone Relay Bradley is widely praised for its unique, tactile time-telling design and lightweight titanium case. Owners and reviewers highlight its innovative magnetic ball bearing system as a conversation starter and a reliable way to tell time in the dark. However, some users report that the ball bearings can be dislodged or hang after a battery change, and opinions on its value at the $285 price point are mixed. One owner suggests avoiding full retail. More size and color options would be desirable. Overall, owners and reviewers rate the Eone Relay Bradley highly for its ingenious, accessible design and comfortable wearability.

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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