Seiko Cal. 6254 - 539

This Spring Drive model from 1991 features a 41mm PVD Black case. Powered by the 6254 caliber with 36j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-5183aa053242]

Also known as: Helmet, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

36j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1991

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