Seiko Cal. 5678 - 722

This Solar model from 1980 features a 34mm Hardlex-Coated Steel case. Powered by the 5678 caliber with 25j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-bd165d7003f5]

Also known as: Helmet, Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

25j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1980

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