Seiko Cal. 6656 - 736

Released in 1966, the Cal. 6656 with design code 736 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-dccf961dfb1f]

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1966

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