Seiko Cal. 3865 - 812

This Spring Drive model from 1987 features a 45mm Two-Tone case. With its 22mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-96a710ed9ba0]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Silver

Jewels

32j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1987

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