Seiko Cal. 4475 - 640

The Seiko 4475-640 represents an important milestone in Seiko's 1968 lineup. Powered by the 4475 caliber with 34j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-78b95b0663e5]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1968

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