Seiko Cal. 4423 - 774

The 4423-774 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4423 caliber with 17j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-0de93e85d167]

Also known as: Sumo, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1967

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