Seiko Cal. 6660 - 975

The Seiko 6660-975 represents an important milestone in Seiko's 1984 lineup. It features a Green dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-eeba04202261]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

170m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1984

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