Side by side

Borealis Watch Co. Bull Shark V2vsMarathon JDD (Jumbo Day/Date) Anthracite Diver's Automatic

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

Bull Shark V2
Borealis Watch Co.Bull Shark V2
MSRP $495
JDD (Jumbo Day/Date) Anthracite Diver's Automatic
MarathonJDD (Jumbo Day/Date) Anthracite Diver's Automatic
MSRP $3,250

At a glance

9 of 29 specs differ
Diameter
Bull Shark V238mm
JDD (Jumbo Day/Date) Anthracite Diver's Automatic46mm
Power Reserve
Bull Shark V240h
JDD (Jumbo Day/Date) Anthracite Diver's Automatic40h
Water Resistance
Bull Shark V2300m
JDD (Jumbo Day/Date) Anthracite Diver's Automatic300m
MSRP
Bull Shark V2$495
JDD (Jumbo Day/Date) Anthracite Diver's Automatic$3,250

Full specifications

Case

5 specs
Diameter
38mm
46mm
Thickness
12.60mm
18mm
Lug-to-Lug
47.00mm
55mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel (Anthracite IP)

Crystal & Dial

2 specs
Dial Color
Black
Anthracite
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
Sellita SW220-1

Pricing

1 specs
MSRP
$495
$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.

Borealis Watch Co. Bull Shark V2

The red bezel is a standout feature. The watch wears small, which is a concern for larger wrists.

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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