Seiko Cal. 3870 - 432

The Seiko 3870-432 represents an important milestone in Seiko's 1966 lineup. The Coin-Edge bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-f52450bffaad]

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1966

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