Seiko Cal. 3863 - 788

The Seiko 3863-788 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-66ef2adf0311]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1975

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