Seiko Cal. 5648 - 490

This Hand-Winding model from 1983 features a 36mm PVD Black case. With its 21mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-929431137d8d]

Also known as: Monster, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1983

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