Seiko Cal. 6610 - 511

Released in 1979, the Cal. 6610 with design code 511 was part of Seiko's domestic market collection. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-deb7fa20e24e]

Also known as: Bellmatic

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1979

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