Seiko Cal. 4580 - 365

The 4580-365 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4580 caliber with 25j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-1f46c0b69120]

Also known as: Shogun, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1981

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