Seiko Cal. 3862 - 287

This Spring Drive model from 1980 features a 45mm PVD Black case. With its 18mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-447320db5d16]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1980

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