Brand: Seiko
Model: Diver Professional 300m
Reference Number: 6159-7001
Year of Production: March 1969
Case Material: Stainless steel
Caliber: 6159 (Automatic, 36,000 vibrations per hour)
Dimensions: 44 mm
Gender: Men
Dial: Black, with luminous markers and hands, date function at 3 o’clock
Condition: Good (visible signs of wear on the case, bezel, and crystal)
Signed: Yes

Case: The 44 mm monobloc stainless steel case is a masterpiece of durability and strength, engineered to withstand underwater pressures up to 300 meters. The screw-down crown positioned at 4 o’clock minimizes interference during underwater activities.

Dial: The black dial offers exceptional legibility with its large, luminous markers and hands, crucial for underwater visibility. The date function at 3 o’clock adds a touch of practicality to this technical timepiece.

Movement: The caliber 6159 is one of Seiko’s first high-frequency movements, providing outstanding precision and reliability. Operating at 36,000 vibrations per hour, this automatic movement is both innovative and robust, designed for long-lasting performance.

The Seiko 6159-7001 Diver Professional 300m is a cornerstone in the history of professional diving watches. Introduced in March 1969, it showcases Seiko’s pinnacle of innovation in underwater timekeeping. With a robust monobloc case and a dial designed for optimal legibility, it served as an essential tool for professional divers. Powered by the high-frequency caliber 6159, this model combines precision and reliability. Despite visible signs of wear, the watch retains its historical charm and original functionality, making it a coveted piece for collectors and enthusiasts alike.