Seiko Cal. 4580 - 636

The 4580-636 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4580 caliber with 31j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-b4beb699bcb2]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

13.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Cream

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1968

Related Models

• Seiko 0750-922
• Seiko 6384-568
• Seiko 6114-475
• Seiko 5667-301
• Seiko 6175-679
• Seiko 4428-147
• Seiko 6257-121
• Seiko 0726-828
• Seiko 7076-843
• Seiko 6360-855
• Seiko 0796-325
• Seiko 4532-794