Side by side

Borealis Watch Co. Bull Shark V2vsZelos Spearfish GMT

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
Spearfish GMT
ZelosSpearfish GMT
MSRP $999

At a glance

11 of 29 specs differ
Diameter
Bull Shark V238mm
Spearfish GMT40mm
Power Reserve
Bull Shark V240h
Spearfish GMT40h
Water Resistance
Bull Shark V2300m
Spearfish GMT200m
MSRP
Bull Shark V2$495
Spearfish GMT$999

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
38mm
40mm
Thickness
12.60mm
13mm
Lug-to-Lug
47.00mm
40mm
Lug Width
20mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Black
Frost
Lume
BGW9
None

Movement

1 specs
Caliber
Miyota 9039
Sellita SW330-2

Pricing

1 specs
MSRP
$495
$999

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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.

Zelos Spearfish GMT

The Zelos Spearfish GMT is widely praised for its exceptional value, with reviewers highlighting its superb finishing, flawless machining, and a tool-less micro-adjustment clasp that exceeds its price point. It features a La Joux-Perret G100 movement with a 68-hour power reserve, achieving an average accuracy of +2.6 seconds per day, or a Miyota 9075 movement offering flier-style GMT functionality. The 40mm case and bidirectional 48-click ceramic bezel are well-executed, though one reviewer noted a minor compromise in the end link fit. Overall, owners and reviewers rate the Zelos Spearfish GMT highly for its impressive finishing and value proposition.

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