Seiko Cal. 4456 - 171

Released in 1971, the Cal. 4456 with design code 171 was part of Seiko's domestic market collection. The Coin-Edge bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c7d8f8dc65ca]

Also known as: Sumo, Pogue

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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