Seiko Cal. 6611 - 107

This Spring Drive model from 1983 features a 37mm Stainless Steel case. Powered by the 6611 caliber with 23j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-bcaf0bdda026]

Also known as: Helmet, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1983

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