Seiko Cal. 3813 - 803

The Seiko 3813-803 represents an important milestone in Seiko's 1970 lineup. Powered by the 3813 caliber with 23j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-8a31f5eaec8a]

Also known as: Shogun

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

39mm

Case Thickness

12.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

23j

Frequency

28,800 bph

Power Reserve

68 hours

Year

1970

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