Seiko Cal. 6635 - 176

The 6635-176 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6635 caliber with 18j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-bd165a9079a8]

Also known as: Panda, Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1980

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