Seiko Cal. 6645 - 821

The 6645-821 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-14067f5fc071]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Burgundy

Jewels

20j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1969

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