Seiko Cal. 3878 - 240

This Solar model from 1980 features a 40mm PVD Black case. With its 19mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-471825e7710a]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

40mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1980

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