Seiko Cal. 4520 - 711

Released in 1977, the Cal. 4520 with design code 711 was part of Seiko's domestic market collection. With its 21mm lug width and 13.8mm profile, it sits comfortably on most wrists. [seikata-wm-59afe0606dc0]

Also known as: Rally, Arnie

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1977

Related Models

• Seiko 4516-840
• Seiko 6268-797
• Seiko 6214-302
• Seiko 6271-295
• Seiko 6194-279
• Seiko 3821-922
• Seiko 7159-229
• Seiko 6311-612
• Seiko 7045-781
• Seiko 7037-388
• Seiko 6383-932
• Seiko 6285-542