Seiko Cal. 5633 - 612

The Seiko 5633-612 represents an important milestone in Seiko's 1977 lineup. It features a Black dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-aa3228159d06]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

24j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1977

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