Seiko Cal. 3870 - 190

This Automatic model from 1966 features a 45mm Gold-Plated case. With its 22mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-b096dee03c0b]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

13.0mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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