Seiko Cal. 4522 - 163

The Seiko 4522-163 represents an important milestone in Seiko's 1991 lineup. Powered by the 4522 caliber with 27j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-e155cbdc74fa]

Also known as: Tuna, Navigator

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

11.9mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1991

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