Seiko Cal. 5687 - 375

The Seiko 5687-375 represents an important milestone in Seiko's 1983 lineup. The Bidirectional bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-333ae557ec8e]

Also known as: Sea Horse, Arnie

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1983

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