Published matchup

DS4 Topo Designs x Worn & Wound Solar Hiker vs Bull Shark V2 vs Bell X-1 Machbuster Automatic

Jun 8, 2026View spec sheet

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Vaer DS4 Topo Designs x Worn & Wound Solar Hiker at true scale

DS4 Topo Designs x Worn & Wound Solar Hiker

Borealis Watch Co. Bull Shark V2 at true scale

Bull Shark V2

AVI-8 Bell X-1 Machbuster Automatic at true scale

Bell X-1 Machbuster Automatic

Diameter

38mm

38mm

n/a

Lug-to-Lug

46mm

lowest

47mm

51mm

Thickness

12.7mm

12.6mm

lowest

13mm

Water Resistance

200m

300m

highest

50m

MSRP

$349

$495

$330

lowest

Movement

Solar

Miyota 9039

Automatic

Case

7 specs
Category
Diver
Diver
Pilot
Diameter
38mm
38mm
n/a
Thickness
12.7mm
12.6mm
13mm
Lug-to-Lug
46mm
47mm
51mm
Lug Width
20mm
20mm
n/a
Material
316L Stainless Steel
Stainless Steel
316L Stainless Steel
Water Resistance
200m
300m
50m

Crystal & Dial

2 specs
Dial Color
Green
n/a
Black
Lume
None
BGW9
None

Movement

2 specs
Caliber
n/a
Miyota 9039
n/a
Type
Solar
Automatic
Automatic

Pricing

1 specs
MSRP
$349
$495
$330

Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Vaer DS4 Topo Designs x Worn & Wound Solar Hiker

The Vaer DS4 Topo Designs x Worn & Wound Solar Hiker is praised for its 38mm size and the inclusion of three Topo-designed straps and an accessory case. It utilizes a solar-powered Epson quartz movement, noted as a solid workhorse. Overall, owners appreciate the practical inclusions and the compact sizing of the Vaer DS4 Topo Designs x Worn & Wound Solar Hiker.

Borealis Watch Co. Bull Shark V2

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

AVI-8 Bell X-1 Machbuster Automatic

Owners widely praise the AVI-8 Bell X-1 Machbuster Automatic for its captivating and vibrant dial, with some finding it reasonably priced and visually appealing. However, the watch is consistently described as objectively large and chunky, with one owner noting it's too thick to wear. The lume is noted as beautiful but short-lived, and some owners express concerns about water resistance, with one watchmaker advising caution. On balance, owners rate the AVI-8 Bell X-1 Machbuster Automatic as a visually appealing and reasonably priced watch, despite its objectively large size and lume that does not last.

Discussion

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