Seiko Cal. 6650 - 456

The Seiko 6650-456 represents an important milestone in Seiko's 1981 lineup. The Inner Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-d9d11ea6120e]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.6mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1981

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