Seiko Cal. 6691 - 426

Released in 1978, the Cal. 6691 with design code 426 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-5b30cdd0fedd]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

42mm

Case Thickness

8.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1978

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