Seiko Cal. 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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