Seiko Cal. 4587 - 321

The Seiko 4587-321 represents an important milestone in Seiko's 1998 lineup. With its 18mm lug width and 14.8mm profile, it sits comfortably on most wrists. [seikata-wm-98d3861e8f83]

Also known as: Helmet, World Timer

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1998

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