Seiko Cal. 4457 - 993

The 4457-993 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4457 caliber with 35j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-1be8ed746479]

Also known as: Monster, Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1999

Related Models

• Seiko 6378-175
• Seiko 3817-256
• Seiko 7169-684
• Seiko 7062-532
• Seiko 5275-887
• Seiko 7030-944
• Seiko 4518-709
• Seiko 6354-989
• Seiko 6191-538
• Seiko 7058-541
• Seiko 3876-984
• Seiko 7120-831