Seiko Cal. 6657 - 729

The Seiko 6657-729 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d2929b75f8a7]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1988

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