Seiko Cal. 5663 - 846

This Spring Drive model from 1975 features a 40mm Hardlex-Coated Steel case. With its 22mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-48883fee0f27]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

35j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1975

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