Seiko Cal. 4486 - 900

The Seiko 4486-900 represents an important milestone in Seiko's 1971 lineup. Powered by the 4486 caliber with 30j jewels beating at 21,600 bph, it delivers a 38 hours power reserve. [seikata-wm-164d23191a01]

Also known as: Helmet, Sea Horse

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1971

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