Seiko Cal. 4456 - 831

This Hand-Winding model from 1970 features a 40mm Stainless Steel case. It features a Black dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-e8bd7ac1f88f]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1970

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