Seiko Cal. 3887 - 916

The 3887-916 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-33f77c9d8211]

Also known as: Sumo, Shogun

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1969

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