Seiko Cal. 3887 - 340

The 3887-340 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.0mm profile, it sits comfortably on most wrists. [seikata-wm-9ce13dcd4449]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1973

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