Seiko Cal. 5285 - 441

Released in 1970, the Cal. 5285 with design code 441 was part of Seiko's domestic market collection. With its 22mm lug width and 10.8mm profile, it sits comfortably on most wrists. [seikata-wm-5fa5caddd1a3]

Also known as: Sumo, Bellmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

44mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

White

Jewels

24j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1970

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