Seiko Cal. 6691 - 551

The 6691-551 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-272a267b48ad]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Navy

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1967

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