Seiko Cal. 3863 - 525

This Spring Drive model from 1984 features a 42mm PVD Black case. With its 21mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-fc86b66c5b8e]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1984

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