Seiko Cal. 4437 - 870

The 4437-870 is a sought-after Automatic piece from Seiko's golden era. With its 21mm lug width and 11.5mm profile, it sits comfortably on most wrists. [seikata-wm-fb920ea4f472]

Also known as: UFO, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1967

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