Seiko Cal. 7027 - 721

This Hand-Winding model from 1970 features a 40mm Hardlex-Coated Steel case. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-246b9b99c919]

Also known as: Samurai, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1970

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