Seiko Cal. 5633 - 193

The Seiko 5633-193 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-0189ec0bbada]

Also known as: Bellmatic, Crown

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1968

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