Seiko Cal. 6164 - 635

Released in 1981, the Cal. 6164 with design code 635 was part of Seiko's domestic market collection. Powered by the 6164 caliber with 18j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-96f98cd4bb20]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1981

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