The Arnold & Son Longitude Titanium 5°W is a 38-piece limited edition, reference 1LTAT.N01A.N0262U, combining a grade 5 titanium case and bracelet with an 18-carat 5N red-gold bezel ring. Its grey vertical-satin dial places a power-reserve display at 12 o’clock and small seconds at 6. Arnold & Son’s official specifications list a COSC-certified automatic movement with a 60-hour reserve; the reported Swiss launch price was CHF 25,900 including VAT in October 2025, not a confirmed current quote.
What distinguishes the 5°W edition?
This Longitude Titanium is identifiable by its Lizard Point Grey dial and 5N red-gold bezel ring. The titanium case and bracelet are paired with an additional anthracite-grey alligator leather strap. Arnold & Son limits the reference 1LTAT.N01A.N0262U to 38 pieces. Those details distinguish it from other watches in the Longitude Titanium collection; specifications for this edition should not be assumed to apply to every Longitude model.
The brand connects “5°W” with Lizard Point in Cornwall, describing the dial’s grey tone as an evocation of the sea and sky there. Arnold & Son presents the watch as a tribute to John Arnold’s marine chronometers, which it says were produced in small series from 1775. That heritage narrative and the design symbolism are the brand’s account, rather than independently established historical findings in the cited material. Arnold & Son’s product page and its Longitude collection page provide the brand’s context.
Case, dial and dimensions
Arnold & Son specifies a grade 5 titanium case measuring 42.5 mm in diameter and 12.25 mm thick. The bezel ring is 18-carat 5N red gold, with notching that the brand says recalls removable bezels on historic marine chronometers. The case combines rounded forms with sharper facets; Arnold & Son interprets its taut case band as a waterline and its concave back as a keel, drawing on modern sailing boats.
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The grey dial has a vertical satin finish. A domed sapphire crystal with anti-reflective coating on both sides covers it. The watch is rated to 10 bar, or 100 metres, of water resistance. These figures describe the manufacturer’s stated specification; they are not a recommendation to expose a watch to water without regard to its condition or use.
A&S6302 movement and display
The automatic A&S6302 is listed by Arnold & Son as COSC-certified. It measures 33 mm across and 6.65 mm thick, contains 36 jewels and runs at 4 Hz, equivalent to 28,800 vibrations per hour. The stated power reserve is 60 hours.
The layout keeps the time display central and separates the two subsidiary indications vertically: power reserve at 12 o’clock, small seconds at 6. Hours and minutes are the other listed functions. Arnold & Son links this arrangement to the marine-chronometer tradition; that is the manufacturer’s interpretation of the design.
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Reported price and availability
Europa Star’s October 2025 presentation of an Arnold & Son press release reports a Swiss retail price of CHF 25,900 including VAT and notes that the price is subject to change. It is a launch-era Swiss figure, not a verified current price or a price applicable in every country. Europa Star’s announcement carries that price information.
Arnold & Son’s product page provides a “Find a retailer” route, but the cited material does not establish current stock at the brand or any particular retailer. Check directly with Arnold & Son or a retailer for availability and a current local price.
Arnold & Son Longitude Titanium 5°W specifications
| Reference | 1LTAT.N01A.N0262U |
|---|---|
| Edition | Limited to 38 pieces |
| Case | Grade 5 titanium; 42.5 mm diameter; 12.25 mm thick |
| Bezel ring | 18-carat 5N red gold |
| Dial | Lizard Point Grey, vertical satin finish |
| Crystal | Domed sapphire, anti-reflective coating on both sides |
| Water resistance | 10 bar / 100 metres |
| Movement | Automatic Arnold & Son A&S6302; COSC-certified |
| Movement dimensions | 33 mm diameter; 6.65 mm thick |
| Jewels and frequency | 36 jewels; 4 Hz / 28,800 vibrations per hour |
| Power reserve | 60 hours |
| Functions | Hours, minutes, small seconds, power reserve |
| Bracelet and additional strap | Titanium bracelet; additional anthracite-grey alligator leather strap |
| Reported price | CHF 25,900 including VAT; reported Swiss retail launch price in October 2025, subject to change |
Specifications and edition size are listed on Arnold & Son’s official product page.
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Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
