Seiko Cal. 6691 - 357

Seiko 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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