Seiko Cal. 3870 - 706

This Spring Drive model from 1984 features a 45mm Two-Tone case. With its 21mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-9c3a2a982948]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

12.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1984

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