Seiko Cal. 5688 - 750

This Solar model from 1979 features a 37mm Gold-Plated case. Powered by the 5688 caliber with 36j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-ab44f3a68dc4]

Also known as: Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1979

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