Seiko Cal. 6691 - 900

The 6691-900 is a sought-after Kinetic piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-628cef468048]

Also known as: Turtle, Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1979

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