Seiko Cal. 0780 - 664

This Solar model from 1987 features a 37mm Hardlex-Coated Steel case. Powered by the 0780 caliber with 26j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-2eeb86baa28e]

Also known as: Rally, Sea Horse

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

11.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1987

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