Seiko Cal. 5639 - 776

This Solar model from 1978 features a 36mm Gold-Plated case. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-8c3e94812108]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

32j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1978

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