Seiko Cal. 6399 - 665

The 6399-665 is a sought-after Kinetic piece from Seiko's golden era. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-31c9be5fe30a]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1981

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