Seiko Cal. 6633 - 632

The Seiko 6633-632 represents an important milestone in Seiko's 1983 lineup. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-d8a7450615f7]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1983

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