Seiko Cal. 4422 - 766

The 4422-766 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4422 caliber with 21j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-32bc6a222431]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1974

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