Seiko Cal. 5637 - 432

This Solar model from 1980 features a 43mm Gold-Plated case. Powered by the 5637 caliber with 35j jewels beating at 36,000 bph, it delivers a 36 hours power reserve. [seikata-wm-57d554b5c78d]

Also known as: Tuna, Emperor

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1980

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