Seiko Cal. 4557 - 930

The Seiko 4557-930 represents an important milestone in Seiko's 1980 lineup. Powered by the 4557 caliber with 20j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-c32d9419da3c]

Also known as: Samurai, Monster

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1980

Related Models

• Seiko 3835-242
• Seiko 6679-458
• Seiko 4449-418
• Seiko 5699-127
• Seiko 6677-724
• Seiko 0769-853
• Seiko 6316-250
• Seiko 6274-932
• Seiko 6236-990
• Seiko 6323-549
• Seiko 4422-145
• Seiko 6296-821