Seiko Cal. 4480 - 936

The Seiko 4480-936 represents an important milestone in Seiko's 1990 lineup. Powered by the 4480 caliber with 23j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-44b8a1612648]

Also known as: Turtle, Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1990

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