Seiko Cal. 6187 - 578

This Spring Drive model from 1982 features a 46mm Stainless Steel case. Powered by the 6187 caliber with 29j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-caa0eb1d7096]

Also known as: Helmet, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1982

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