Seiko Cal. 3823 - 399

The Seiko 3823-399 represents an important milestone in Seiko's 1973 lineup. With its 20mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-47b77334d0be]

Also known as: Monster, Sumo

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1973

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