Seiko Cal. 5631 - 794

The Seiko 5631-794 represents an important milestone in Seiko's 1988 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-10ac4df25c4b]

Also known as: Navigator, Crown

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1988

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