Seiko Cal. 4557 - 235

The Seiko 4557-235 represents an important milestone in Seiko's 1982 lineup. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-3d25d88f79f7]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1982

Related Models

• Seiko 6216-768
• Seiko 3818-351
• Seiko 0775-714
• Seiko 6326-887
• Seiko 7194-806
• Seiko 6679-977
• Seiko 7036-488
• Seiko 5288-338
• Seiko 6213-612
• Seiko 6651-532
• Seiko 6127-195
• Seiko 7054-520