Seiko Cal. 3818 - 636

Seiko 3818-636

The 3818-636 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3818 caliber with 34j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-fb7828833a9e]

Also known as: Sumo, Crown

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
80m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1989

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