Seiko Cal. 4557 - 509

The Seiko 4557-509 represents an important milestone in Seiko's 1967 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-913679d99ebe]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

35j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1967

Related Models

• Seiko 4532-623
• Seiko 4585-223
• Seiko 6210-756
• Seiko 6250-464
• Seiko 5623-177
• Seiko 6364-962
• Seiko 5226-578
• Seiko 5225-623
• Seiko 5652-570
• Seiko 6153-139
• Seiko 6291-327
• Seiko 4566-770