Seiko Cal. 4541 - 630

This Kinetic model from 1966 features a 34mm Gold-Plated case. Powered by the 4541 caliber with 20j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-0c92a346aa09]

Also known as: Helmet, Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

14.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1966

Related Models

• Seiko 6699-944
• Seiko 4479-283
• Seiko 6330-538
• Seiko 3894-474
• Seiko 5280-871
• Seiko 4479-535
• Seiko 7035-320
• Seiko 4465-352
• Seiko 4557-145
• Seiko 4457-776
• Seiko 6354-348
• Seiko 5298-423