Seiko Cal. 4488 - 381

The 4488-381 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 4488 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-bc726d2e16f7]

Also known as: Emperor, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1987

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