Seiko Cal. 6666 - 378

The 6666-378 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6666 caliber with 23j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-4cfda69586dc]

Also known as: Monster, Rally

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1997

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