Seiko Cal. 3890 - 621

Seiko 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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seikata-wm-79d95de660ca