Seiko Cal. 6690 - 689

This Quartz model from 1966 features a 38mm Gold-Plated case. Powered by the 6690 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-bd6300bd6f5e]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.3mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1966

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