Seiko Cal. 4571 - 520

This Spring Drive model from 1973 features a 38mm PVD Black case. Powered by the 4571 caliber with 31j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-158c11ac0ef5]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1973

Related Models

• Seiko 3814-788
• Seiko 6645-818
• Seiko 4438-545
• Seiko 6214-361
• Seiko 6270-215
• Seiko 5229-620
• Seiko 6337-576
• Seiko 6229-172
• Seiko 6227-972
• Seiko 6224-890
• Seiko 5630-218
• Seiko 0730-432