Details
Miyota 8205 automatic watch movement. Size 11.5 ligne, (25.6mm) 5.67mm thick, 21 jewels, parashock, automatic - unidirectional winding, 21,600 vph, power reserve 45 hours. Hour, minute, central seconds, quickset day and date. Hand sizes from this watch movement are 1.00, 1.50 and 0.17 mm. Accuracy & Power Reserve: Miyota claims the caliber 8205 has an accuracy rating of -20 ~ +40 seconds per day. This is only measured within 10 to 60 minutes from a full power reserve. Power reserve or fully wound running time is about 42-45 hours. The Miyota caliber 8205 is a 21 jewel automatic watch movement. It is made in Japan and is found in many new microbrand watches because it is easily obtainable, low cost, and considered an entry level workhorse movement. This time-tested watch movement was introduced to the watch market around 1977.