Seiko Cal. 4456 - 409

The 4456-409 is a sought-after Automatic piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-47c0de79ccb3]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

100m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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