Seiko Cal. 6645 - 632

Released in 1991, the Cal. 6645 with design code 632 was part of Seiko's domestic market collection. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-aff0ee0ed75c]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1991

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