Seiko Cal. 6610 - 557

The Seiko 6610-557 represents an important milestone in Seiko's 1990 lineup. Powered by the 6610 caliber with 18j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-874b2e1eaf10]

Also known as: Flighty

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1990

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