Seiko Cal. 6647 - 517

The Seiko 6647-517 represents an important milestone in Seiko's 1971 lineup. It features a Cream dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-2702678f522a]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

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