Seiko Cal. 3863 - 664

This Solar model from 1970 features a 45mm Two-Tone case. With its 19mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-53ce3df475f8]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1970

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