Seiko Cal. 3873 - 228

The Seiko 3873-228 represents an important milestone in Seiko's 1975 lineup. With its 18mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-1be0ecfa1373]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

23j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1975

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