Seiko Cal. 4577 - 634

This Quartz model from 1972 features a 40mm Gold-Plated case. Powered by the 4577 caliber with 26j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-d4e4529447bf]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

26j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1972

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