Seiko Cal. 3815 - 748

This Spring Drive model from 1984 features a 40mm Titanium case. With its 19mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-ea63048af13e]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1984

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