Seiko Cal. 3887 - 670

The 3887-670 is a sought-after Hand-Winding piece from Seiko's golden era. The Inner Rotating bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-612c39bf6ac6]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1971

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