Seiko Cal. 4527 - 107

Released in 1978, the Cal. 4527 with design code 107 was part of Seiko's domestic market collection. With its 22mm lug width and 9.8mm profile, it sits comfortably on most wrists. [seikata-wm-37fb41517dbf]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1978

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