Seiko Cal. 4528 - 425

This Hand-Winding model from 1975 features a 40mm Hardlex-Coated Steel case. With its 18mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-260b1a743412]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1975

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