Seiko Cal. 6660 - 840

The Seiko 6660-840 represents an important milestone in Seiko's 1990 lineup. Powered by the 6660 caliber with 32j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-6f205be25fac]

Also known as: Samurai

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Burgundy

Jewels

32j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1990

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