Seiko Cal. 3890 - 491

The 3890-491 is a sought-after Automatic piece from Seiko's golden era. Powered by the 3890 caliber with 26j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-df3e4c3535a9]

Also known as: Helmet, Crown

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

41mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

White

Jewels

26j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1974

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