Seiko Cal. 0764 - 509

Seiko 0764-509

The 0764-509 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0764 caliber with 27j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-c5eece539a8e]

Also known as: Bullhead

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
42mm
Case Thickness
9.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Green
Jewels
27j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1977

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