The 1960s Calendar Auto Orient 21 Diver T-19755 is a highly sought-after vintage dive watch that showcases the craftsmanship and innovation of Orient during the golden age of mechanical timepieces. Featuring a robust stainless steel case, this model was designed for durability and functionality, catering to both professional divers and watch enthusiasts alike. The watch is powered by the in-house 21-jewel automatic movement, ensuring precise timekeeping without the need for manual winding. Its black rotating bezel with clear numerals allows for easy tracking of dive times, while the unique day-date complication—displayed prominently at the 3 o’clock position—adds an extra layer of practicality. The luminous hands and markers enhance readability in low-light conditions, making it a reliable tool for underwater adventures.

Aesthetically, the T-19755 embodies the bold yet elegant design language of the 1960s, with a distinctive dial layout that sets it apart from other divers of the era. The case size, though modest by modern standards, provides a comfortable fit on the wrist, making it suitable for daily wear. The domed acrylic crystal adds a vintage charm while offering protection against scratches and impacts. Collectors and vintage watch aficionados admire this piece not only for its historical significance but also for its mechanical reliability and classic styling. Over the decades, the Calendar Auto Orient 21 Diver has become a rare and treasured timepiece, symbolizing the enduring appeal of mid-century Japanese horology.

Information:

Pre-owned: 1960's Calendar Auto Orient 21 Diver T-19755

Circa: 1960's

Reference: T-19755

Dial: Tritium

Hands: Tritium

Strap: Black NATO strap

Case: 40mm x 10mm Thickness - Stainless Steel

Lug Width: 18mm

Movement: 670 - Automatic - Serviced 2/02/25 - One year warranty

Glass: Plexiglass

Accessories: No box or papers - watch only

Functions: Hours, Minutes, Second, Date

Bracelet size: 7.75”

Condition:

Case has some micro wear and a few light scratches/marks on the lugs. Strap is new in perfect shape. Light micro wear on the bezel insert. Dial has some light scratches. Watch was serviced by us on 2/02/25 and comes with a one year warranty on the movement.