Seiko Cal. 5637 - 694

The Seiko 5637-694 represents an important milestone in Seiko's 1969 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 150m of water resistance. [seikata-wm-e291415a777a]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1969

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