Seiko Cal. 6697 - 668

The 6697-668 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6697 caliber with 26j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-a39f3ea51dcd]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

26j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1976

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