Seiko Cal. 6391 - 580

The 6391-580 is a sought-after Spring Drive piece from Seiko's golden era. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-890303acf3fe]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Silver

Jewels

27j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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