Seiko Cal. 6691 - 991

Released in 1969, the Cal. 6691 with design code 991 was part of Seiko's domestic market collection. It features a Cream dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-fcfe00a3ff28]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

14.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1969

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