Seiko Cal. 6690 - 469

This Automatic model from 1983 features a 46mm Stainless Steel case. Powered by the 6690 caliber with 33j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-a1910c802e1a]

Also known as: Helmet, Bellmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1983

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