Seiko Cal. 6391 - 627

This Hand-Winding model from 1970 features a 44mm Stainless Steel case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-964133775804]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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