Seiko Cal. 4423 - 522

The 4423-522 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4423 caliber with 25j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-289072145f66]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

38mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1979

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