Seiko Cal. 5643 - 661

This Solar model from 1986 features a 39mm Two-Tone case. With its 22mm lug width and 15.1mm profile, it sits comfortably on most wrists. [seikata-wm-93771ed84737]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1986

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