Seiko Cal. 4557 - 990

The Seiko 4557-990 represents an important milestone in Seiko's 1985 lineup. Powered by the 4557 caliber with 21j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-9b4a7d42672a]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1985

Related Models

• Seiko 4472-569
• Seiko 6186-335
• Seiko 6113-282
• Seiko 5252-846
• Seiko 5236-423
• Seiko 5272-306
• Seiko 5259-993
• Seiko 6161-323
• Seiko 7177-490
• Seiko 7069-438
• Seiko 3896-960
• Seiko 4529-316