Seiko Cal. 6353 - 640

This Quartz model from 1966 features a 40mm Hardlex-Coated Steel case. Powered by the 6353 caliber with 36j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-2012011210c4]

Also known as: Silverwave, Navigator

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Cream

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1966

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