Seiko Cal. 5638 - 859

This Solar model from 1985 features a 46mm Gold-Plated case. Powered by the 5638 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-9e94ba22434d]

Also known as: Monster, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1985

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