Seiko Cal. 4580 - 850

The 4580-850 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4580 caliber with 30j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-db8c80025ef9]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

10.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1991

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