Seiko Cal. 4478 - 112

This Solar model from 1978 features a 40mm Gold-Plated case. Powered by the 4478 caliber with 23j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-77aae37effac]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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