Seiko Cal. 6647 - 421

This Hand-Winding model from 1980 features a 44mm Hardlex-Coated Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-03463100c484]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1980

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