Seiko Cal. 6656 - 770

Released in 1977, the Cal. 6656 with design code 770 was part of Seiko's domestic market collection. It features a White dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-1d2d6e91116e]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

45mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1977

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