Seiko Cal. 3870 - 670

This Spring Drive model from 1966 features a 46mm Gold-Plated case. With its 19mm lug width and 12.6mm profile, it sits comfortably on most wrists. [seikata-wm-aff4dcc79666]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.6mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1966

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