Seiko Cal. 4528 - 559

Released in 1969, the Cal. 4528 with design code 559 was part of Seiko's domestic market collection. With its 18mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-4f1b77bdb3fe]

Also known as: Silverwave, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

27j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1969

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