Seiko Cal. 4436 - 370

Released in 1981, the Cal. 4436 with design code 370 was part of Seiko's domestic market collection. With its 19mm lug width and 12.0mm profile, it sits comfortably on most wrists. [seikata-wm-eaf61ca5ea52]

Also known as: Monster, Shogun

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

40m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1981

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