Seiko Cal. 4580 - 437

This Hand-Winding model from 1974 features a 40mm Titanium case. With its 22mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-c42599bb9eb3]

Also known as: Helmet, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

15.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

26j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1974

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