Seiko Cal. 4528 - 211

This Hand-Winding model from 1970 features a 40mm PVD Black case. With its 18mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-b6d4b23d3919]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1970

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