Seiko Cal. 6151 - 539

This Spring Drive model from 1991 features a 44mm PVD Black case. Powered by the 6151 caliber with 32j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-267656d00f65]

Also known as: Helmet, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Green

Jewels

32j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1991

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