Seiko Cal. 3863 - 750

This Spring Drive model from 1981 features a 37mm Titanium case. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-6e1dae48dca3]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

31j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1981

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