Seiko Cal. 4530 - 726

The Seiko 4530-726 represents an important milestone in Seiko's 1968 lineup. With its 22mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-2e45b9a2e145]

Also known as: Helmet, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

11.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

30m

Dial Color

Green

Jewels

26j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1968

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