{"product_id":"swiss-made-chronograph-pocket-watch-column-wheel-c-1910-fully-serviced-2026-chronograph-repaired-tested","title":"Swiss Made Chronograph Pocket Watch | Column Wheel | c.1910 Fully serviced 2026 | Chronograph Repaired \u0026 Tested","description":"\u003cdiv\u003eAn attractive and increasingly scarce Swiss-made pocket chronograph dating from the early twentieth century, housed in a quality Dennison \"Moon\" gold-filled case and featuring a beautiful white enamel tachymeter dial with Roman numerals, central chronograph seconds hand and 30-minute chronograph register.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eThis is a genuine mechanical chronograph pocket watch fitted with a high-grade Swiss column-wheel chronograph movement, the traditional and highly regarded system used in quality chronographs before the widespread adoption of cam-operated mechanisms. The movement displays excellent finishing throughout and remains a pleasure to operate.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eThe watch features a tachymeter scale calibrated for quarter-mile measurements, reflecting its original purpose as a timing instrument during an era when motor racing, horse racing and sporting events increasingly relied upon accurate portable timing devices.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eIn May 2026 the watch underwent a comprehensive professional service, the work included complete movement inspection, cleaning, lubrication, demagnetisation, adjustment and testing. During the service a new mainspring was fitted, upper balance cap jewels were replaced and the chronograph mechanism was repaired and restored to full working order.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eFollowing a service, the watch produced impressive timegrapher readings of approximately:\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003e• Rate: +4 seconds per day\u003c\/div\u003e\u003cdiv\u003e• Amplitude: 294°\u003c\/div\u003e\u003cdiv\u003e• Beat Error: 0.1ms\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eThese figures indicate a movement in exceptionally healthy mechanical condition for a chronograph of this age.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eThe enamel dial presents beautifully with crisp Roman numerals, attractive blued steel hands and an uncommon red tachymeter scale around the outer track. The Dennison \"Moon\" gold-filled case remains in very good condition with honest signs of age and use consistent with a watch now well over a century old.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eA wonderful opportunity to acquire a fully serviced Swiss column-wheel chronograph pocket watch with excellent mechanical performance, attractive period styling and strong collector appeal.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eSwiss Made quality, reflecting the traditional standards of Swiss watchmaking in precision, craftsmanship and reliability.\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eTechnical Details\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eYear: c.1905–1915\u003c\/div\u003e\u003cdiv\u003eSerial No: 49512\u003c\/div\u003e\u003cdiv\u003eCase Serial: 414523\u003c\/div\u003e\u003cdiv\u003eCalibre: Swiss Column Wheel Chronograph\u003c\/div\u003e\u003cdiv\u003eMovement: Manual Wind Chronograph\u003c\/div\u003e\u003cdiv\u003eCase Size: Approx. 52mm (excluding crown)\u003c\/div\u003e\u003cdiv\u003eMaterial: Dennison Moon Gold Filled Case\u003c\/div\u003e\u003cdiv\u003eDial: White Enamel Dial with Roman Numerals and Red Tachymeter Scale\u003c\/div\u003e\u003cdiv\u003eChronograph: Central Chronograph Seconds and 30-Minute Register\u003c\/div\u003e\u003cdiv\u003eCrystal: Glass\u003c\/div\u003e\u003cdiv\u003eService: Fully serviced May 2026\u003c\/div\u003e\u003cdiv\u003eExtra: Service invoice included\u003c\/div\u003e\u003cdiv\u003eCase Engraving: GGM\u003c\/div\u003e\u003cdiv\u003e\u003c\/div\u003e\u003cdiv\u003eCondition: Recently serviced and running strongly. Chronograph functions operate correctly and reset as intended. The case displays light age-related wear consistent with use and age. Please refer to the photographs for a detailed assessment of condition.\u003c\/div\u003e","brand":"Antiques Centre York 137 DC \u0026 DS","offers":[{"title":"Default Title","offer_id":57500506128766,"sku":"Pw014","price":1195.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0025\/9253\/8739\/files\/mxvLQ0JzD5.jpg?v=1780412216","url":"https:\/\/theantiquescentreyork.co.uk\/products\/swiss-made-chronograph-pocket-watch-column-wheel-c-1910-fully-serviced-2026-chronograph-repaired-tested","provider":"Antiques Centre York","version":"1.0","type":"link"}