Seiko Cal. 3887 - 581

The 3887-581 is a sought-after Kinetic piece from Seiko's golden era. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-60ca7574cfed]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

11.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1974

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