Seiko Cal. 6391 - 713

This Automatic model from 1974 features a 35mm Stainless Steel case. Powered by the 6391 caliber with 22j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-bdf5b3631d94]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

11.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

White

Jewels

22j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1974

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