Seiko Cal. 6635 - 392

The 6635-392 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6635 caliber with 23j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-892066fb34b9]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

10.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1971

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