Seiko Cal. 4428 - 703

This Quartz model from 1986 features a 36mm Two-Tone case. Powered by the 4428 caliber with 25j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-cc114602e6e8]

Also known as: World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

36mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

White

Jewels

25j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1986

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