Heimdallr Sharkey Dive SteelvsIslander Bayport Automatic Diver

Sharkey Dive Steel
HeimdallrSharkey Dive Steel

Ref. heimdallr-sharkey-dive-steel-watch·MSRP $179

Bayport Automatic Diver
IslanderBayport Automatic Diver

Ref. islander-bayport-automatic-dive-watch-with-silver-white-wave-dial-isl-313·MSRP $349

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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.

Heimdallr Sharkey Dive Steel at true scale

Sharkey Dive Steel

Islander Bayport Automatic Diver at true scale

Bayport Automatic Diver

Diameter

44mm

40mm

Lug-to-Lug

52.5mm

40mm

lowest

Thickness

n/a

13.5mm

Water Resistance

200m

200m

MSRP

$179

lowest

$349

Movement

Hangzhou 2565A

Seiko NH35

Case

3 specs
Diameter
44mm
40mm
Thickness
n/a
13.5mm
Lug-to-Lug
52.5mm
40mm

Movement

1 specs
Caliber
Hangzhou 2565A
Seiko NH35

Pricing

1 specs
MSRP
$179
$349
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Reviews

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

Heimdallr Sharkey Dive Steel

Owners widely praise the Heimdallr Sharkey Dive Steel Watch for its high-quality finishing and value at its price point, with many noting the bracelets are superior to alternatives and feature solid end links. Reviewers and owners consistently flag the brilliant bezel action, smooth winding, and strong lume as standout features. One owner notes the movement runs at +6 seconds per day after two weeks. The case and bracelet finishing are described as well-done, and the crown is easy to grip and smooth. Some owners report minor quality control issues, such as a slightly misaligned bezel. Overall, owners rate the Heimdallr Sharkey Dive Steel Watch highly for its impressive build quality and features at a low price.

Islander Bayport Automatic Diver

Owners widely praise the Islander Bayport Automatic Dive Watch for its versatile 40mm case size and retro styling, featuring a unique grey dial with a framed date window and a pie pan design. Reviewers and owners alike highlight the watch's well-executed finishing with chamfered edges, a tight 120-click bezel, and the reliable Seiko NH35 automatic movement. Accuracy reports vary, with some owners seeing between -3 and +6 seconds per day, while others note that the NH36 movement in comparable models can be regulated to achieve near-zero daily deviation. Overall, owners and reviewers consider the Islander Bayport Automatic Dive Watch an exceptional value proposition for the brand.