Seiko Cal. 5687 - 542

The Seiko 5687-542 represents an important milestone in Seiko's 1981 lineup. With its 19mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-978fb3d2307a]

Also known as: Rally, Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Champagne

Jewels

35j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1981

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