Seiko Cal. 4420 - 501

This Quartz model from 1990 features a 37mm Two-Tone case. Powered by the 4420 caliber with 25j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-1a25d465a9a1]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Burgundy

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1990

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