Seiko Cal. 3870 - 700

Released in 1975, the Cal. 3870 with design code 700 was part of Seiko's domestic market collection. With its 22mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-9c853ac39ffa]

Also known as: Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

34mm

Case Thickness

10.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Cream

Jewels

17j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1975

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