Seiko Cal. 4591 - 283

This Spring Drive model from 1970 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 12.3mm profile, it sits comfortably on most wrists. [seikata-wm-8f9669cc85db]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1970

Related Models

• Seiko 5242-468
• Seiko 6147-788
• Seiko 7182-364
• Seiko 4562-832
• Seiko 7121-649
• Seiko 7184-979
• Seiko 4510-376
• Seiko 6121-935
• Seiko 4436-568
• Seiko 5253-298
• Seiko 5682-709
• Seiko 6681-177