Seiko Cal. 4557 - 278

The Seiko 4557-278 represents an important milestone in Seiko's 1988 lineup. Powered by the 4557 caliber with 27j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-b0489a76ada4]

Also known as: Sea Horse

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

45mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Silver

Jewels

27j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1988

Related Models

• Seiko 4443-244
• Seiko 6346-641
• Seiko 7198-799
• Seiko 6277-635
• Seiko 6695-802
• Seiko 4582-754
• Seiko 6352-809
• Seiko 7117-802
• Seiko 6358-383
• Seiko 6663-684
• Seiko 6212-651
• Seiko 4566-731