Seiko Cal. 5646 - 561

This Solar model from 1971 features a 36mm Gold-Plated case. Powered by the 5646 caliber with 21j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-44fa109bbf0c]

Also known as: Bullhead, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1971

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