Seiko Cal. 3813 - 445

The Seiko 3813-445 represents an important milestone in Seiko's 1985 lineup. Powered by the 3813 caliber with 18j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-6e9959c931c6]

Also known as: Sumo, Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

White

Jewels

18j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1985

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