Vintage Orient Calendar Auto 21 Diver – Black Dial – Freshly Serviced October 2025 Rare Vintage Orient Calendar Auto Diver with Original Black Dial For sale is a beautiful vintage Orient Calendar Auto Diver from the golden era of Japanese watchmaking. This watch features the highly desirable glossy black dial, classic diver-style bezel, date display, and the iconic dolphin caseback that has become a hallmark of early Orient dive watches. The watch retains excellent vintage character and presents very well on the wrist. Service History The watch was professionally overhauled in Japan in October 2025 and is currently running strongly and keeping good time. Specifications Brand: Orient Model: Calendar Auto Orient Diver Movement: Automatic Dial: Original black dial Date display at 3 o'clock Stainless steel case Bi-directional diver bezel Screw-back case Dolphin engraved caseback Made in Japan Circa 1960s Condition Running well following a complete overhaul in October 2025 Original black dial with attractive vintage patina Hands and hour markers remain clear and attractive Bezel remains in very good condition for its age Case shows honest signs of use consistent with a vintage tool watch Dolphin caseback engraving remains clearly visible Fitted with a quality leather strap Please examine all photographs carefully as they form part of the description. Collector's Note Early Orient diver models have become increasingly difficult to find in original condition. The combination of the black dial, classic diver design, and dolphin caseback makes this a highly collectible example of vintage Japanese watchmaking. A wonderful opportunity to acquire a rare and increasingly sought-after vintage Orient diver. Worldwide shipping available.