Rosta 15 Jewels Antimagnetic – Vintage Swiss Mechanical Small Seconds Watch – 1950s A charming Rosta Swiss mechanical wristwatch from the 1950s, featuring a warm champagne dial, 15-jewel hand-wound movement, subsidiary small seconds and classic mid-century proportions. The watch displays all the characteristic elements of a traditional post-war Swiss dress watch: a restrained round case, elegantly shaped lugs, Arabic numerals, dauphine-style hands and a beautifully balanced small-seconds register at 6 o’clock. The naturally aged champagne dial gives this example considerable vintage character. Rather than presenting as a modern restoration, the visible patina reflects the passage of time and contributes to the authenticity of the piece. At approximately 36 mm, the watch is also notably well-sized for its period, offering greater wrist presence than many contemporary Swiss watches from the 1950s. Case Case Material: Chrome plated / base metal Case Back: Stainless steel Diameter: Approximately 36 mm (excluding crown) Design: Classical round case with elegantly sculpted extended lugs. The stainless-steel case back is marked: STAINLESS STEEL BACK SWISS MADE FOREIGN The case architecture, with its elongated faceted lugs and relatively slim bezel, is strongly characteristic of Swiss wristwatch design during the 1950s. Glass Type: Acrylic crystal The acrylic crystal is appropriate to the period and complements the authentic vintage appearance. Dial Colour: Champagne / aged gold tone Layout: Arabic numeral hour display with peripheral minute track and subsidiary seconds at 6 o’clock. Hour Markers: Stylized Arabic numerals. Hands: Gold-tone dauphine-style hour and minute hands. Small Seconds: Dedicated subsidiary seconds register positioned at 6 o’clock, graduated to 60 seconds. Details: Dial signed: ROSTA 15 JEWELS ANTIMAGNETIC with SWISS MADE positioned at 6 o’clock. The dial displays a pronounced and attractive natural patina, with age-related marks and tonal variations that give the watch an unmistakably authentic vintage appearance. The combination of the warm champagne surface, gold-tone hands and unusual typography creates considerable visual character. Water Resistance: Not tested for water. Movement Type: Swiss mechanical movement Winding: Manual wind Jewels: 15 jewels Functions: Hours, minutes and subsidiary small seconds Specification: Antimagnetic The 15 JEWELS and ANTIMAGNETIC inscriptions reflect two important selling points of Swiss mechanical watches during the mid-20th century. The jewel bearings were used to reduce friction and wear at critical points within the movement, while antimagnetic construction was particularly valued as wristwatches became increasingly exposed to electrical equipment and magnetic fields in everyday life. Condition: functional Strap Type: Leather strap Colour: Dark brown Length: Approximately 21 cm Condition Grade: B The watch shows honest signs of age and use consistent with a piece approximately seven decades old. The chrome-plated case displays visible surface wear and areas of ageing, particularly around the bezel and lugs. The dial exhibits natural patina, fine marks and age-related tonal variation. These characteristics contribute strongly to the watch's vintage personality and authenticity. The Arabic numerals remain clearly visible, while the small-seconds register and original-style dauphine hands preserve the elegant visual balance of the dial. Ready to wear. Box / Papers: Delivered with generic presentation box. Story This Rosta 15 Jewels Antimagnetic is a particularly evocative example of the traditional Swiss mechanical wristwatch produced during the post-war period of the 1950s. At the time, Switzerland's watch industry consisted not only of the major manufactures familiar today but also of numerous smaller marques that produced mechanical watches using the extensive network of specialized Swiss movement and component manufacturers. Many of these smaller brands have subsequently disappeared, making surviving examples interesting witnesses to a much broader chapter of Swiss horological history. The design of this Rosta is quintessentially mid-century. Its small-seconds display at 6 o’clock follows a configuration inherited from earlier wristwatches and pocket watches, before central sweep seconds became increasingly dominant during the 1950s and 1960s. The elegantly shaped Arabic numerals, dauphine-style hands and warm champagne dial further reinforce its period character. The inscription “15 JEWELS – ANTIMAGNETIC” proudly advertises the technical qualities that were considered important to buyers at the time. Before such specifications became commonplace, jewel count and resistance to magnetism were meaningful indicators of the quality and practicality of a mechanical wristwatch. At approximately 36 mm, this example is particularly appealing. Such dimensions were relatively generous for a dress watch of the 1950s and allow the watch to retain a strong presence on the wrist even by contemporary standards. Perhaps its most attractive characteristic today is the naturally aged dial. The subtle spotting, colour variations and warm patina accumulated over decades give every surviving example a unique appearance — something impossible to reproduce authentically. With its Swiss hand-wound mechanical construction, 15-jewel movement, small-seconds complication, antimagnetic specification and unmistakable 1950s aesthetic, this Rosta is a charming survivor from the golden age of traditional Swiss mechanical watchmaking. Internal Reference Number: ABA 67