Seiko Cal. 6611 - 587

The 6611-587 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6611 caliber with 33j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-e6c14127c4ad]

Also known as: Sumo, Navigator

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1981

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