Seiko Cal. 5631 - 879

The Seiko 5631-879 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-fe1d08015488]

Also known as: Pogue

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1967

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