Seiko Cal. 4428 - 583

This Quartz model from 1978 features a 35mm Two-Tone case. Powered by the 4428 caliber with 20j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-7fa35f3cb436]

Also known as: Turtle, Crown

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

14.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1978

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