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Arnold & Son Chronometry Longitude Titanium 1LTAT.U01A.N001U

42,5 mm, Automatic, Titanium

The Arnold & Son Longitude Titanium masterfully combines marine heritage, technical precision, and contemporary design. The 42.5 mm titanium case offers exceptional lightness and durability, while the vertically brushed ocean-blue dial with luminescent markers evokes the spirit of the sea. A finely notched bezel recalls the brand’s legacy of marine chronometers. Detailed product description
In stock

650 000

Price incl. VAT Transport options

To be viewed in store: Václavské náměstí 52

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Product description

The Arnold & Son Longitude Titanium masterfully combines marine heritage, technical precision, and contemporary design. The 42.5 mm titanium case offers exceptional lightness and durability, while the vertically brushed ocean-blue dial with luminescent markers evokes the spirit of the sea. A finely notched bezel recalls the brand’s legacy of marine chronometers.

Powered by the in-house A&S 6302 calibre, COSC-certified, the watch runs at 4 Hz with a 60-hour power reserve. It displays hours, minutes, small seconds, and a power-reserve indicator at 12 o’clock. The sapphire case back reveals fine finishing and superb craftsmanship.

With 100 m water resistance and an integrated titanium bracelet, this timepiece blends sportiness with refinement. The Longitude Titanium celebrates the pioneering spirit of marine navigation – a union of functionality, innovation, and timeless Swiss artistry.

Files for download

UserGuide A&S Longitude.pdf

Product specifications

Producer: Arnold & Son
Supplier code: 1LTAT.U01A.N001U
Collection Chronometry
Watch style Luxury, Elegant, Sports
Warranty 24 months
Water resistance i 100 m
Case shape Round
Case size 42,5 mm
Case Thickness 12.25 mm mm
Case material Lightweight and durable titanium
Case features Screw-on rear lid, Transparent back cover i
Crystal Sapphire glass with double-sided anti-reflective coating
Bezel Titanium
Dial Analog
Dial color Blue
Hour markers Indexes
Luminiscence i Hands and indices, Super-LumiNova ®
Movement Self-Winding i
Calibre A&S6302
Power reserve ~60 hodin
Functions Power reserve indicator
Strap color Grey
Strap material Lightweight and hypoallergenic titanium
Clasp type Butterfly clasp i
Clasp material Titanuim
Quick-release system Yes i
Arnold & Son Chronometry Longitude Titanium 1LTAT.U01A.N001U
Perfection in precision

Arnold & Son Chronometry

The Arnold & Son Chronometers collection pays tribute to the legacy of John Arnold - the legendary 18th century watchmaker whose marine chronometers changed the history of navigation. Today, this collection carries the same ethos - the highest possible precision and purity of mechanical construction, combined with noble design and impeccable craftsmanship.

The watches in the Chronometry range are equipped with in-house manufacture movements, often with manual winding and complications such as a tourbillon or small seconds hand. Cases in 18kt gold or polished steel, elegant dials and precise proportions make them the ideal choice for those looking for a watch with soul - a harmony of aesthetics and functionality.

The Chronometry collection embodies watchmaking in its purest form. For collectors and classic lovers alike, it represents the perfect fusion of history and contemporary Swiss engineering.

Arnold & Son Chronometry Longitude Titanium 1LTAT.U01A.N001U
Traditional British precision with a touch of haute horlogerie

Arnold & Son

The Arnold & Son brand bears the legacy of the famous British watchmaker John Arnold, who in the second half of the 18th century became famous for making marine chronometers - instruments that changed world navigation. Today, the brand continues in La Chaux-de-Fonds, Switzerland, where it combines technical innovation, precision craftsmanship and classic elegance in the spirit of its founder.

Arnold & Son is known for its intricate manufacture calibres that are created exclusively in-house. In the brand's portfolio you will find fascinating models with moonphase indicator, dual time, tourbillon or skeletonized versions. Each watch is not only a technical gem, but also an aesthetic expression of fine watchmaking.

The brand appeals to collectors and connoisseurs looking for an exclusive watch with soul and history - a timepiece that carries both the spirit of the British Scientific Revolution and Swiss watchmaking excellence.

Arnold & Son Chronometry Longitude Titanium 1LTAT.U01A.N001U

Arnold & Son Chronometry Longitude Titanium 1LTAT.U01A.N001U

In stock

650 000

Price incl. VAT