Seiko Cal. 6660 - 937

Released in 1993, the Cal. 6660 with design code 937 was part of Seiko's domestic market collection. With its 21mm lug width and 13.5mm profile, it sits comfortably on most wrists. [seikata-wm-d1ea6ebb9732]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1993

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