Seiko Cal. 5664 - 700

The Seiko 5664-700 represents an important milestone in Seiko's 1966 lineup. Powered by the 5664 caliber with 21j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-c90e6f2c231b]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1966

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