Seiko Cal. 4437 - 434

The 4437-434 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-815af6988893]

Also known as: Tuna, Emperor

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Navy

Jewels

33j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1979

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