Seiko Cal. 4522 - 384

The Seiko 4522-384 represents an important milestone in Seiko's 1971 lineup. Powered by the 4522 caliber with 28j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-b047934ea2ee]

Also known as: Sportsmatic, Navigator

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Black

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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