Seiko Cal. 6657 - 168

This Hand-Winding model from 1974 features a 43mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-284792c4412f]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1974

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