Seiko Cal. 6391 - 713

Seiko 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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