Seiko Cal. 5221 - 657

The Seiko 5221-657 represents an important milestone in Seiko's 1980 lineup. With its 18mm lug width and 11.2mm profile, it sits comfortably on most wrists. [seikata-wm-98e994f0c257]

Also known as: Sportsmatic, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

26j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1980

Related Models

• Seiko 6259-712
• Seiko 6311-557
• Seiko 6394-224
• Seiko 4454-368
• Seiko 7081-399
• Seiko 7153-350
• Seiko 5629-445
• Seiko 7135-242
• Seiko 5695-621
• Seiko 0785-369
• Seiko 6689-399
• Seiko 4550-159