Seiko Cal. 5687 - 667

Released in 1977, the Cal. 5687 with design code 667 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-12e1af94dfbd]

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

40mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1977

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