Heimdallr SKX007 Marine300 DivervsIslander Bayport Automatic Diver

SKX007 Marine300 Diver
HeimdallrSKX007 Marine300 Diver

Ref. heimdallr-skx007-classic-mens-diving-watch·MSRP $149

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 SKX007 Marine300 Diver at true scale

SKX007 Marine300 Diver

Islander Bayport Automatic Diver at true scale

Bayport Automatic Diver

Diameter

42mm

40mm

Lug-to-Lug

46mm

40mm

lowest

Thickness

13mm

lowest

13.5mm

Water Resistance

200m

200m

MSRP

$149

lowest

$349

Movement

Seiko NH35

Seiko NH35

Case

4 specs
Diameter
42mm
40mm
Thickness
13mm
13.5mm
Lug-to-Lug
46mm
40mm
Lug Width
22mm
20mm

Crystal & Dial

1 specs
Dial Color
n/a
n/a

Pricing

1 specs
MSRP
$149
$349
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Reviews

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

Heimdallr SKX007 Marine300 Diver

Owners widely praise the Heimdallr SKX007 Marine300 Dive Watch for its exceptional value, with one owner reporting it exceeded expectations compared to other models and noting its sapphire crystal. The case quality and finish are considered strong, with one owner stating it is the best available for $200. However, the bracelet is considered poor by one owner, though another source claims Heimdallr Sharkey bracelets are superior with solid end links. The watch features a Seiko NH35 automatic movement and 200m water resistance in a 42mm case. Overall, owners rate the Heimdallr SKX007 Marine300 Dive Watch highly for its impressive build quality and finishing at its price point.

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.