Seiko Cal. 5656 - 943

Released in 1978, the Cal. 5656 with design code 943 was part of Seiko's domestic market collection. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-a1ae4dc64ebf]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

36mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1978

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