Seiko Cal. 3887 - 384

The 3887-384 is a sought-after Automatic piece from Seiko's golden era. With its 18mm lug width and 10.6mm profile, it sits comfortably on most wrists. [seikata-wm-fbe333761ab1]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

32j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1971

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