Alsta NautoscaphvsSpinnaker Spence 300

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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.

Alsta Nautoscaph at true scale

Nautoscaph

Spinnaker Spence 300 at true scale

Spence 300

Diameter

40mm

40mm

Lug-to-Lug

51.3mm

48mm

lowest

Thickness

16.2mm

11.5mm

lowest

Water Resistance

300m

300m

Power Reserve

41h

n/a

MSRP

$595

lowest

$650

Movement

Seiko NH35

Seiko NH35

Case

3 specs
Thickness
16.2mm
11.5mm
Lug-to-Lug
51.3mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

1 specs
Dial Color
n/a
Aquamarine

Movement

1 specs
Power Reserve
41h
0h

Pricing

1 specs
MSRP
$595
$650
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Reviews

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

Alsta Nautoscaph

Owners widely report the Alsta NAUTOSCAPH wears comfortably on the wrist, though some find it dense and top-heavy. Reviewers praise its dial design and colorway, with one enthusiastically recommending it for Jaws fans and noting the attractive contrasting polished and brushed finishes. A minor drawback mentioned is the lack of lume at the 3 o'clock position. Community members and reviewers alike consider the €900 price point for the Seiko NH35 movement excessive. Overall, owners and reviewers rate the Alsta NAUTOSCAPH highly for its Jaws-inspired aesthetic and attractive dial, despite concerns about its thickness and value proposition.

Spinnaker Spence 300

Owners widely praise the Spinnaker Spence 300 for its slim 10.9mm case and 40mm diameter, offering a comfortable and versatile wear. Reviewers and owners alike highlight its value, with some seeing it as a budget alternative to more expensive dive watches. The watch features a Seiko NH35 automatic movement and 300m water resistance. However, some community members find the dial printing and bracelet finishing to be less refined, and a few suggest other brands offer better value at similar price points. On balance, owners and reviewers rate the Spinnaker Spence 300 highly for its impressive case dimensions and overall value proposition.

From video reviewers

The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.