Seiko Cal. 5645 - 756

This Hand-Winding model from 1983 features a 44mm Hardlex-Coated Steel case. With its 22mm lug width and 15.3mm profile, it sits comfortably on most wrists. [seikata-wm-5c85f37d4fdd]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

15.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

19j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1983

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