Seiko Cal. 6391 - 570

The 6391-570 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6391 caliber with 27j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-35b240a241f2]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

27j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1970

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