Seiko Cal. 6658 - 316

The Seiko 6658-316 represents an important milestone in Seiko's 1972 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7193dc39c9d7]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Champagne

Jewels

18j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1972

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