Seiko Cal. 5687 - 588

The Seiko 5687-588 represents an important milestone in Seiko's 1972 lineup. With its 18mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-3fc5947420cd]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

20j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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