Seiko Cal. 6691 - 357

The 6691-357 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6691 caliber with 21j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-2535e3f47ce2]

Also known as: Pogue, Bullhead

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

21j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1969

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