Seiko Cal. 5657 - 317

This Solar model from 1968 features a 42mm Gold-Plated case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-bb5c7a4e33df]

Also known as: Samurai, Navigator

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1968

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