Seiko Cal. 6648 - 459

The Seiko 6648-459 represents an important milestone in Seiko's 1974 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-aac97bc256ed]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1974

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