Seiko Cal. 4525 - 387

Released in 1980, the Cal. 4525 with design code 387 was part of Seiko's domestic market collection. With its 21mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-ebd1cd12f98e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

39mm

Case Thickness

10.5mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

27j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1980

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