Seiko Cal. 4427 - 580

This Spring Drive model from 1998 features a 44mm Titanium case. Powered by the 4427 caliber with 35j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-969f61aecb24]

Also known as: UFO, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

44mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

35j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1998

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