Seiko Cal. 6660 - 832

Released in 1966, the Cal. 6660 with design code 832 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-f70f80282677]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1966

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