Seiko Cal. 6391 - 563

The Seiko 6391-563 represents an important milestone in Seiko's 1982 lineup. Powered by the 6391 caliber with 22j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-e60c794bb617]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

35mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1982

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