Seiko Cal. 4557 - 740

The Seiko 4557-740 represents an important milestone in Seiko's 1981 lineup. Powered by the 4557 caliber with 34j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-cfcfe60fef77]

Also known as: Pogue, Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

34j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1981

Related Models

• Seiko 5235-430
• Seiko 5264-548
• Seiko 6386-265
• Seiko 5267-889
• Seiko 6671-813
• Seiko 6120-423
• Seiko 6124-491
• Seiko 4472-679
• Seiko 7052-785
• Seiko 3887-380
• Seiko 6219-360
• Seiko 6297-582