Seiko Cal. 7164 - 648

The Seiko 7164-648 represents an important milestone in Seiko's 1966 lineup. Powered by the 7164 caliber with 21j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-7a5646e7c1ab]

Also known as: Samurai, UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1966

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