Seiko Cal. 4491 - 833

This Spring Drive model from 1971 features a 34mm PVD Black case. Powered by the 4491 caliber with 18j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-fbc5516e7d50]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1971

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