Seiko Cal. 4520 - 658

This Hand-Winding model from 1998 features a 40mm PVD Black case. With its 18mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-d199658883f3]

Also known as: UFO, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

35j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1998

Related Models

• Seiko 6172-446
• Seiko 6364-291
• Seiko 6150-621
• Seiko 4460-777
• Seiko 0716-244
• Seiko 7010-938
• Seiko 6233-405
• Seiko 7049-342
• Seiko 6680-697
• Seiko 6331-858
• Seiko 6243-203
• Seiko 6671-230