Seiko Cal. 6691 - 923

The 6691-923 is a sought-after Solar piece from Seiko's golden era. Powered by the 6691 caliber with 36j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-4b6bd56d93a9]

Also known as: Pogue, Silverwave

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1989

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