Seiko Cal. 5644 - 418

This Hand-Winding model from 1971 features a 35mm Gold-Plated case. Powered by the 5644 caliber with 17j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-bc4208b29b44]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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