Seiko Cal. 6691 - 718

The 6691-718 is a sought-after Spring Drive piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-d3339c55c4f5]

Also known as: Turtle, Pogue

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Champagne

Jewels

17j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1970

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