Seiko Cal. 5645 - 618

This Spring Drive model from 1966 features a 41mm Stainless Steel case. With its 19mm lug width and 9.7mm profile, it sits comfortably on most wrists. [seikata-wm-2ada2c146703]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

17j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1966

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