Seiko Cal. 6661 - 889

The 6661-889 is a sought-after Spring Drive piece from Seiko's golden era. With its 18mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-271140bb3ebd]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

36mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

31j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1987

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