Seiko Cal. 5647 - 742

This Hand-Winding model from 1988 features a 37mm Titanium case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-b1f558ed3e10]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

20j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1988

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