Seiko Cal. 4413 - 441

The 4413-441 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4413 caliber with 26j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-996e3b7f0bd1]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1973

Related Models

• Seiko 6123-805
• Seiko 5664-262
• Seiko 4442-682
• Seiko 6347-585
• Seiko 6355-262
• Seiko 0770-510
• Seiko 6111-643
• Seiko 6682-534
• Seiko 4462-301
• Seiko 3822-658
• Seiko 3870-791
• Seiko 7137-391