Seiko Cal. 5660 - 215

This Spring Drive model from 1985 features a 40mm Stainless Steel case. With its 20mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-035f4fe2c59f]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1985

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