Seiko Cal. 3871 - 820

This Solar model from 1972 features a 43mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-4d68c646a4df]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1972

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