Seiko Cal. 3872 - 525

Released in 1987, the Cal. 3872 with design code 525 was part of Seiko's domestic market collection. With its 20mm lug width and 15.9mm profile, it sits comfortably on most wrists. [seikata-wm-ab94ac294652]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

43mm

Case Thickness

15.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Black

Jewels

19j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1987

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