Seiko Cal. 6665 - 728

Released in 1993, the Cal. 6665 with design code 728 was part of Seiko's domestic market collection. Powered by the 6665 caliber with 22j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-9f50622f15c7]

Also known as: Monster, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

22j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1993

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