Seiko Cal. 6611 - 521

The Seiko 6611-521 represents an important milestone in Seiko's 1971 lineup. Powered by the 6611 caliber with 25j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-aafae4d16e1d]

Also known as: Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

25j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1971

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