Seiko Cal. 3890 - 621

The 3890-621 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3890 caliber with 26j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-79d95de660ca]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

13.5mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1994

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