Seiko Cal. 4581 - 496

The 4581-496 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4581 caliber with 21j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-411b08fd6c6d]

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

21j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1965

Related Models

• Seiko 0722-147
• Seiko 6385-543
• Seiko 5625-217
• Seiko 0737-512
• Seiko 6122-474
• Seiko 5290-564
• Seiko 5641-581
• Seiko 6350-825
• Seiko 6366-332
• Seiko 6344-289
• Seiko 7148-667
• Seiko 4583-415