Seiko Cal. 3816 - 833

This Automatic model from 1966 features a 45mm Hardlex-Coated Steel case. With its 22mm lug width and 12.7mm profile, it sits comfortably on most wrists. [seikata-wm-47fe95efc6dc]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

30j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1966

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