Seiko Cal. 6166 - 581

The Seiko 6166-581 represents an important milestone in Seiko's 1986 lineup. Powered by the 6166 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-afba6930ff34]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1986

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