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The Superautomatic 25

Famous for what
it stood for.

In 1975, a timepiece surfaced from beneath the cinematic waves—quietly, confidently, and without pretension. It wasn’t a watch chosen for its fame. It became famous for what it stood for: courage, craft, and character.

The Alsta Nautoscaph ‘Superautomatic’ was worn by Matt Hooper—played by Richard Dreyfuss—in JAWS. But before the screen immortalised it, the Superautomatic was already a tool trusted by those who ventured beyond the shoreline, into deeper waters and wilder horizons.

Half a century later, we bring you not a reissue—but a reimagining.

ALSTA
NAUTOSCAPH

Superautomatic 25

01/ 06
Alsta Nautoscaph Superautomatic 25
Superautomatic 25 dial detail
Superautomatic 25 bezel and dial at an angle
Superautomatic 25 side profile
Superautomatic 25 bracelet clasp

Complete Specifications

Case & dimensions

Case316L marine-grade brushed stainless steel with polished edges
Diameter38mm
Lug-to-lug43mm
Lug size20mm
Thickness13.2mm

Bezel & crown

BezelBlack aluminium insert with silver 15-minute timing scale
CrownScrew-down, polished stainless steel
WindingBi-directional

Movement

CalibreSwiss Sellita SW200-1 automatic
Jewels26 jewels
Frequency28,800 vibrations/hour
Power reserve38 hours
Accuracy±12 seconds/day
ProtectionISO 764 anti-magnetic, shock resistant
FunctionsHours, minutes, seconds, date

Dial & hands

DialMatte black with applied C3 Super-LumiNova indices
HandsTapered sword hands with C3 Super-LumiNova

Crystal & caseback

CrystalDomed scratch-resistant sapphire
CasebackTwo-part stainless steel, engraved

Water resistance

300m999ft · 30 ATM

Refined Craft. Reimagined Detail.

The Superautomatic 2025 remains faithful to its original design DNA—compact and bold, purpose-driven and versatile—but now features significant advancements.

  • Superautomatic 25 side profile

    A thinner case profile

    For a more elegant yet robust wrist presence.

  • Superautomatic 25 deployant clasp

    An upgraded deployant clasp

    For improved security and day-long comfort.

  • Superautomatic 25 dial

    And at its heart, the Swiss Sellita SW200-1

    Bringing Swiss precision to the legacy.

Superautomatic 25 case and bezel

All contained within a 38mm brushed, two-piece stainless steel case, with an engraved caseback, screw-down crown, and a unidirectional bezel for dual timekeeping—proving that beauty and function can still co-exist in perfect balance.

Superautomatic 25 on the Hooper porthole bracelet

Whether you wear it on

The modernised Hooper “porthole” bracelet

A nod to the original Speidel from the 1970s.

Superautomatic 25 on the Orca rubber strap

Or the rugged Orca rubber strap

This watch is more than a mechanical instrument. It’s a companion.

For underwater discovery.

For landlocked wanderlust.

For those who understand that time isn’t something you watch—it’s something you live through.

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Specifications

 

Case: 316L marine-grade brushed stainless steel with polished edges
Dimensions: 38mm diameter · 43mm lug-to-lug · 20mm lug size · 13.2mm thick
Crown: Screw-down, polished stainless steel · Bi-directional winding
Bezel: Black aluminium insert with silver 15-minute timing scale
Dial: Matte black with applied C3 Super-LumiNova indices
Hands: Tapered sword hands with C3 Super-LumiNova
Glass: Domed scratch-resistant sapphire crystal
Caseback: Two-part stainless steel · Engraved
Water Resistance: 999ft / 300m (30 ATM)

 


Movement:
Swiss Sellita SW200-1 Automatic
26 jewels · 28,800 vibrations/hour · 38-hour power reserve
±12 seconds/day accuracy
ISO 764 anti-magnetic · Shock resistant
Functions: Hours · Minutes · Seconds · Date

 

A silver watch on a geometric black and white background.
A watch displayed on contrasting black and white geometric blocks.
A black and silver watch on a dark textured surface.

 

 

 

The Superautomatic 2025 is available on the Hooper stainless steel bracelet, a modern evolution of the Speidel “porthole” bracelet worn by Hooper in JAWS. This edition includes an upgraded deployant clasp with twin safety buttons, combining security with a premium, easy-wear feel.

As with every Alsta model, you can also choose to wear it with our Orca high-performance rubber strap — inspired by the boat in JAWS and designed for life on land, at sea, and anywhere in between. If on the Orca strap your watch arrives in a custom-designed travel pouch, perfect for storing your timepiece safely on every journey.

 

Built to Last a Lifetime of Exploration
Every Superautomatic is backed by a two-year international warranty, covering movement failure and manufacturing defects from the date of purchase.
Because a great watch isn’t just worn—it’s lived with. For servicing or support, please contact us at service@alstawatch.com.

 

Orders may be cancelled within 14 days of the order date for a full refund. After 14 days, cancellations are not accepted as production on your watch will have already begun.