Seiko Cal. 6610 - 990

The Seiko 6610-990 represents an important milestone in Seiko's 1971 lineup. It features a Green dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-837453a88197]

Also known as: Crown, Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1971

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