Seiko Cal. 6665 - 756

The Seiko 6665-756 represents an important milestone in Seiko's 1980 lineup. Powered by the 6665 caliber with 30j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-78995fa5b6d2]

Also known as: Monster, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

15.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1980

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