Seiko Cal. 5650 - 687

The Seiko 5650-687 represents an important milestone in Seiko's 1984 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-58ca330b5881]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1984

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