Seiko Cal. 3813 - 855

The 3813-855 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3813 caliber with 36j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-b88debd343b5]

Also known as: Sumo, Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Champagne

Jewels

36j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1971

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