Seiko Cal. 5687 - 540

The Seiko 5687-540 represents an important milestone in Seiko's 1969 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-015f7ede22cb]

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1969

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