Seiko Cal. 4436 - 851

The Seiko 4436-851 represents an important milestone in Seiko's 1981 lineup. Powered by the 4436 caliber with 25j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-b839b9b79a71]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

13.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Cream

Jewels

25j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1981

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