Seiko Cal. 5637 - 789

The Seiko 5637-789 represents an important milestone in Seiko's 1988 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-ca06b13ca1dd]

Also known as: Crown, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

9.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Burgundy

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1988

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