Seiko Cal. 6658 - 734

The Seiko 6658-734 represents an important milestone in Seiko's 1975 lineup. The Bidirectional bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-3a69cc0690fd]

Also known as: Sportsmatic, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1975

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