Seiko Cal. 6634 - 567

The Seiko 6634-567 represents an important milestone in Seiko's 1970 lineup. Powered by the 6634 caliber with 28j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-b27aed24e865]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

28j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1970

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