Seiko Cal. 5633 - 131

The Seiko 5633-131 represents an important milestone in Seiko's 1987 lineup. It features a Cream dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-a6f857111c20]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Cream

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1987

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