Seiko Cal. 5687 - 816

The Seiko 5687-816 represents an important milestone in Seiko's 1987 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-5fa06db32211]

Also known as: Bullhead

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

25j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1987

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