Seiko Cal. 3893 - 397

This Spring Drive model from 1979 features a 45mm Hardlex-Coated Steel case. With its 21mm lug width and 8.2mm profile, it sits comfortably on most wrists. [seikata-wm-ac5860edfe2b]

Also known as: UFO, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

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