Seiko Cal. 3887 - 366

The 3887-366 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3887 caliber with 23j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-b74c92b539c6]

Also known as: Bullhead, Crown

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1971

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