Seiko Cal. 5663 - 897

This Hand-Winding model from 1980 features a 41mm Two-Tone case. With its 21mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-5a618f6f53c8]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Burgundy

Jewels

24j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1980

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