Seiko Cal. 6633 - 530

The Seiko 6633-530 represents an important milestone in Seiko's 1970 lineup. It features a Black dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-315b9a1b85ea]

Also known as: Crown, Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.5mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Black

Jewels

27j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1970

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