Seiko Cal. 5640 - 249

This Quartz model from 1974 features a 35mm Gold-Plated case. Powered by the 5640 caliber with 26j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-4407175ea4b3]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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