Seiko Cal. 5689 - 633

The Seiko 5689-633 represents an important milestone in Seiko's 1973 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1a27ecd507c7]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

14.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1973

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