Seiko Cal. 3860 - 887

The Seiko 3860-887 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-4158620a7c0a]

Also known as: Sea Horse

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Cream

Jewels

21j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1971

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