Seiko Cal. 6661 - 581

This Hand-Winding model from 1996 features a 34mm PVD Black case. Powered by the 6661 caliber with 18j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-1c8fb6bee773]

Also known as: Baby Tuna, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1996

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