Seiko Cal. 3878 - 686

This Solar model from 1971 features a 44mm PVD Black case. With its 19mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-824dd9fec3aa]

Also known as: UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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