Seiko Cal. 4580 - 903

The 4580-903 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4580 caliber with 18j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-aeccadf44d60]

Also known as: Bellmatic, Navigator

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

190m

Dial Color

Burgundy

Jewels

18j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1968

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