Alsta NautoscaphvsSan Martin Watchdives x San Martin Classic 39mm Automatic Diver

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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

San Martin Watchdives x San Martin Classic 39mm Automatic Diver at true scale

Watchdives x San Martin Classic 39mm Automatic Diver

Diameter

40mm

39mm

Lug-to-Lug

51.3mm

n/a

Thickness

16.2mm

n/a

Water Resistance

300m

300m

Power Reserve

41h

n/a

MSRP

$595

$238

lowest

Movement

Seiko NH35

Seiko NH35

Case

4 specs
Diameter
40mm
39mm
Thickness
16.2mm
n/a
Lug-to-Lug
51.3mm
n/a
Lug Width
20mm
n/a

Movement

1 specs
Power Reserve
41h
0h

Pricing

1 specs
MSRP
$595
$238
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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.

San Martin Watchdives x San Martin Classic 39mm Automatic Diver

Owners widely praise the San Martin Watchdives x San Martin Classic 39mm Automatic Dive Watch SN0121GA for its excellent wearability, with one owner noting it does not feel top-heavy. The lume is reported to be as good as Seiko's, and the on-the-fly micro-adjustment clasp is a standout feature for its price point. Overall, owners rate the San Martin Watchdives x San Martin Classic 39mm Automatic Dive Watch SN0121GA highly for its comfortable wear and surprising clasp functionality.

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