Seiko Cal. 3878 - 163

This Solar model from 1977 features a 44mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-7579eabefb0a]

Also known as: Sumo, Sea Horse

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

44mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1977

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