Seiko Cal. 6635 - 573

The Seiko 6635-573 represents an important milestone in Seiko's 1991 lineup. Powered by the 6635 caliber with 27j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-ef8fa0acb11b]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

8.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Navy

Jewels

27j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1991

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