Seiko Cal. 6697 - 155

This Spring Drive model from 1974 features a 45mm Stainless Steel case. Powered by the 6697 caliber with 36j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-b98fdbec7c1a]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1974

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