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The Nautoscaph Bronze

A 1960s icon,
re-engineered for the deep.

The Nautoscaph line holds a series of lifestyle pieces aimed at the person who wants to seamlessly and effortlessly go from their outdoor activities to their working hours and back into their evening leisure outings without having to change their timepiece.

The romance of the sea, pulling on the urban, professional/creative, affluent, lifestyle diver/sailor etc who wants to have an elegant, robust and beautifully designed timepiece that fits alongside their elegant and beautifully designed other lifestyle items that they covet and enjoy owning. With 300-meter water resistance, a screw-down crown, and C3 Super-LumiNova ensuring visibility in the darkest depths, every detail is meticulously engineered for reliability.

ALSTA
NAUTOSCAPH V

Porcelana

01/ 08
Alsta Nautoscaph V Porcelana
Porcelana bronze case, angled view
Porcelana dial detail
Porcelana side profile
Porcelana caseback
Porcelana brown Italian leather strap and buckle
Porcelana lume

Complete Specifications

Case & dimensions

CaseHigh-grade bronze
Diameter40mm
Lug-to-lug51.3mm
Lug size20mm
Thickness16.2mm (with crystal)

Bezel & crown

BezelSteel, unidirectional, brown ceramic insert
CrownScrew-down, high-grade bronze

Movement

CalibreSeiko NH35A automatic
Jewels24 jewels
Frequency21,600 vibrations/hour
Power reserve41 hours
Accuracy±30 seconds/day
ProtectionISO 764 anti-magnetic, shock resistant
FunctionsHours, minutes, seconds, date display

Dial & hands

DialPorcelana, with applied C3 Super-LumiNova indices
HandsTapered sword hands with C3 Super-LumiNova

Crystal & caseback

CrystalScratch-resistant sapphire
CasebackStainless steel, engraved

Water resistance

300m999ft · 30 ATM · exceeds ISO 6425

Strap

StrapHand-made Italian leather in brown

Alsta Nautoscaph Porcelana bronze skin diver watch worn on the wrist
—On the wrist
Made to endure

Built to last a lifetime of exploration

At Alsta, we draw on our heritage to build best-in-class skin diver watches: thin, mechanically precise and elegant by design.

  1. I

    Heritage, evolved

    The modern Nautoscaph speaks the design language of the original. Its proportions have grown and new looks have arrived, from coloured dials to a bronze case, but its elegance never left.

  2. II

    Built for adventure

    Ruggedness and water resistance sit at its heart. Elegant looks, built to shrug off the knocks of any good adventure.

Tough enough for the mountain face or the ocean. Elegant enough for the boardroom or the dinner table.

A skin diver at heart · Rated for professional dive depths · A permanent fixture in the Alsta line