Seiko Cal. 6387 - 223

This Hand-Winding model from 1979 features a 34mm Stainless Steel case. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-1e5af652418f]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

36j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1979

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