Seiko Cal. 6664 - 157

The 6664-157 is a sought-after Hand-Winding piece from Seiko's golden era. The Bidirectional bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-d4a960bb22bd]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1972

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