Seiko Cal. 6158 - 206

This Hand-Winding model from 1981 features a 37mm PVD Black case. Powered by the 6158 caliber with 33j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-a7b535a66bfa]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1981

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