Seiko Cal. 4456 - 937

The Seiko 4456-937 represents an important milestone in Seiko's 1974 lineup. With its 20mm lug width and 11.4mm profile, it sits comfortably on most wrists. [seikata-wm-13145b69c916]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

11.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

120m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1974

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