Seiko Cal. 5633 - 798

The Seiko 5633-798 represents an important milestone in Seiko's 1977 lineup. The Bidirectional bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-3208ef613439]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

36j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1977

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