Seiko Cal. 3813 - 472

The Seiko 3813-472 represents an important milestone in Seiko's 1971 lineup. Powered by the 3813 caliber with 23j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-8204e61e9ab8]

Also known as: Tuna, Rally

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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