Seiko Cal. 6682 - 187

This Automatic model from 1977 features a 42mm Stainless Steel case. Powered by the 6682 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-490aa022eebc]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1977

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