Seiko Cal. 6611 - 428

The Seiko 6611-428 represents an important milestone in Seiko's 1965 lineup. Powered by the 6611 caliber with 34j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-f576c0c15317]

Also known as: Sea Horse, Flighty

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

34j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1965

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