Seiko Cal. 5687 - 537

The Seiko 5687-537 represents an important milestone in Seiko's 1965 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-aea52cb1ee02]

Also known as: Samurai, Navigator

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

41mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Burgundy

Jewels

23j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1965

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