Seiko Cal. 6616 - 581

The Seiko 6616-581 represents an important milestone in Seiko's 1986 lineup. Powered by the 6616 caliber with 22j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-48fd1733a1ab]

Also known as: Rally, Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1986

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