Alsta NautoscaphvsMMI Watches Turret 300M - Model: TR2-OR (Midnight BLUE) (NO DATE) (OLD Radium)
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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.

Nautoscaph

Turret 300M - Model: TR2-OR (Midnight BLUE) (NO DATE) (OLD Radium)
Diameter
40mm
40mm
Lug-to-Lug
51.3mm
47mm
lowest
Thickness
16.2mm
13.8mm
lowest
Water Resistance
300m
300m
Power Reserve
41h
n/a
MSRP
$595
$425
lowest
Movement
Seiko NH35
Seiko NH35
Case
3 specsMovement
1 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
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.
Owners are astonished by the quality and stunning details of the MMI Watches Turret 300M - Model: TR2-OR (MIDNIGHT BLUE) (NO DATE) (OLD RADIUM), noting it looks even better in person. The watch features a horizontally brushed dial, Swiss Super-LumiNova Old Radium Grade A lume on its hands and indices, and a 3mm sapphire crystal with an underside anti-reflective coating. The 40mm case is praised for its slim 13.6mm thickness for a diver, with a 47mm lug-to-lug measurement. One owner reports incredible accuracy, ranking it second only to a Grand Seiko Spring Drive. Overall, owners rate the MMI Watches Turret 300M - Model: TR2-OR (MIDNIGHT BLUE) (NO DATE) (OLD RADIUM) highly for its exceptional build quality and impressive timekeeping at its price point.
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