Seiko Cal. 6660 - 600

The 6660-600 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6660 caliber with 34j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-930d958febda]

Also known as: Monster, Sumo

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1969

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