Seiko Cal. 6678 - 904

This Solar model from 1976 features a 35mm Hardlex-Coated Steel case. Powered by the 6678 caliber with 31j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-d8042000721f]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

12.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1976

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