Seiko Cal. 6617 - 658

The 6617-658 is a sought-after Hand-Winding piece from Seiko's golden era. The Coin-Edge bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-18c250818d2d]

Also known as: Silverwave, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

12.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1970

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