Seiko Cal. 4521 - 436

This Hand-Winding model from 1982 features a 46mm Hardlex-Coated Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-546badb51790]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1982

Related Models

• Seiko 4547-650
• Seiko 3899-625
• Seiko 5633-136
• Seiko 7040-577
• Seiko 6395-264
• Seiko 3842-646
• Seiko 5247-754
• Seiko 4494-194
• Seiko 6150-583
• Seiko 4480-464
• Seiko 6373-245
• Seiko 6269-866