Seiko Crown 1964 Tokyo Olympics ‘One button’ Chronograph
Reference
45899
Year
1964
Movement
Manual wind
Caliber
5719A
Dial
Early dial with inner ring
Case size
37.5mm
Lug width
18mm
Bracelet
7005-8020
Wrist size
Fits up to 17 cm
Service
Fully serviced (April 2026)
Accuracy
+3 seconds per day
Condition
Very good
Warranty
3 months
The watch In 1964, as Japan hosted the Tokyo Olympics, Seiko introduced the Seiko Crown Chronograph 45899. Their first chronograph, built for a moment when timing mattered and the world was watching. A simple, focused design with a single pusher to start, stop and reset.
This example has lived a life on the wrist and shows it in the right way. The dial has developed a soft, even patina, most visible in the inner ring, giving it a warm tone that changes slightly with the light. The case shows honest wear but still has strong lines. If it was polished in the past, it was done with care. The bezel shows age consistent with the watch. The bracelet is a later addition; the rest remains original. The Olympic torch on the caseback is still present, though now faint.
The movement was fully serviced in April 2026 and runs well with stable timekeeping. The exterior was left untouched, exactly as it has come to be over the decades.
