Seiko Cal. 3867 - 320

The 3867-320 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3867 caliber with 17j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-d17278cdd963]

Also known as: Sumo, Emperor

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1989

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