An elegant and highly collectible vintage Zenith AutoSport automatic wristwatch from the early 1970s, showcasing the peak of Swiss in-house engineering from the brand's golden era.Specifications:Brand: ZenithModel: AutoSport AutomaticPeriod: Circa 1970 - 1972Movement: Genuine Swiss In-House Automatic Caliber Zenith 2552 PC. This is the more desirable and rare 23 Jewels version (15,000 units produced in total between 1969-1972).Case Reference: 633 D 225 (clearly engraved on the steel back)Case Material: Gold-filled bezel, heavily plated with 20 Microns of gold (hallmarked inside the case back). Features a robust and period-correct cushion-shaped design.Case Back: Stainless steel, screw-down type.Dial: Beautiful original silver/champagne sunburst dial with applied gold-tone baton hour markers. Features an asymmetrical date window at 4:30.Crystal: Acrylic (Plexiglass)Strap: Aftermarket brown genuine leather strap (18mm lug width)Condition Report:Movement: Visually immaculate and exceptionally clean. No signs of rust, oxidation, or past amateur interventions. The original turquoise/blue shock-absorbing spacer ring is intact. The watch was serviced and oiled approximately one year ago, so the movement winds smoothly, runs reliably, and keeps time well.Case: Good vintage condition with honest signs of wear and superficial hairline scratches consistent with age. The 20-micron gold plating remains strong and well-preserved on the edges.Dial & Hands: Very clean original dial, showing almost no signs of aging or moisture spots, which is rare for watches of this era.Note: Water resistance is not tested or guaranteed due to the vintage nature of the watch.