Seiko Cal. 6691 - 562

Released in 1975, the Cal. 6691 with design code 562 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-11ebe7102e39]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1975

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