Seiko Cal. 6641 - 733

This Kinetic model from 1978 features a 36mm PVD Black case. Powered by the 6641 caliber with 32j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-99d994944ae1]

Also known as: Samurai, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

32j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1978

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