Side by side

Borealis Watch Co. Bull Shark V2vsSeiko Prospex Sea

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
Prospex Sea
SeikoProspex Sea

At a glance

10 of 29 specs differ
Diameter
Bull Shark V238mm
Prospex Sea42mm
Power Reserve
Bull Shark V240h
Prospex Sea72h
Water Resistance
Bull Shark V2300m
Prospex Sea300m
MSRP
Bull Shark V2$495
Prospex Sea

Full specifications

Case

4 specs
Diameter
38mm
42mm
Thickness
12.60mm
13.3mm
Lug-to-Lug
47.00mm
48.6mm
Lug Width
20mm
20mm

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9039
6R54
Power Reserve
40h
72h
Jewels
25
24

Pricing

1 specs
MSRP
$495

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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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent value, solid build, and comfortable wearability, with specific mentions of its matte black dial, excellent lume, and cushion case that wears smaller than its dimensions suggest. The 4R36 movement is noted for hacking and hand-winding capabilities, and the bezel action is described as smooth and precise. Some owners find the watch to be a legitimate tool with a fair price, while others describe it as big, thick, and heavy, uncomfortable for smaller wrists, though this is subjective as one owner found the size perfect. The solar quartz movement is also highlighted as a collection-worthy feature. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its exceptional value and comfortable, classic design.

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