Seiko Cal. 6665 - 240

The Seiko 6665-240 represents an important milestone in Seiko's 1971 lineup. With its 20mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-1b161d02f78a]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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