Seiko Cal. 4557 - 326

The 4557-326 is a sought-after Hand-Winding piece from Seiko's golden era. With its 18mm lug width and 14.5mm profile, it sits comfortably on most wrists. [seikata-wm-d62e0654c10c]

Also known as: Sumo, Silverwave

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1985

Related Models

• Seiko 4478-625
• Seiko 4546-830
• Seiko 0731-373
• Seiko 3856-184
• Seiko 6678-184
• Seiko 4551-810
• Seiko 7072-790
• Seiko 5231-210
• Seiko 7086-350
• Seiko 6395-478
• Seiko 6189-255
• Seiko 7187-373