Seiko Cal. 4557 - 420

The Seiko 4557-420 represents an important milestone in Seiko's 1985 lineup. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-5f5e8f998f06]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1985

Related Models

• Seiko 4576-332
• Seiko 7076-751
• Seiko 6698-970
• Seiko 7116-255
• Seiko 4411-899
• Seiko 6352-354
• Seiko 5249-196
• Seiko 6184-360
• Seiko 4541-351
• Seiko 7138-270
• Seiko 4519-361
• Seiko 6179-500