Seiko Cal. 6656 - 978

Released in 1992, the Cal. 6656 with design code 978 was part of Seiko's domestic market collection. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-ec29dafa0ffa]

Also known as: Rally

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1992

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