Seiko Cal. 5643 - 648

This Automatic model from 1977 features a 35mm Gold-Plated case. With its 21mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-42012ed62434]

Also known as: UFO, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

13.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Silver

Jewels

35j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1977

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