Seiko Cal. 4587 - 939

The Seiko 4587-939 represents an important milestone in Seiko's 1982 lineup. With its 20mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-40feef4baf85]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

30j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1982

Related Models

• Seiko 7041-275
• Seiko 5658-883
• Seiko 5635-736
• Seiko 5265-679
• Seiko 5626-238
• Seiko 4513-878
• Seiko 4525-466
• Seiko 6229-698
• Seiko 5685-321
• Seiko 4433-195
• Seiko 4515-117
• Seiko 4495-821