Seiko Cal. 3813 - 333

The Seiko 3813-333 represents an important milestone in Seiko's 1990 lineup. Powered by the 3813 caliber with 32j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-7191ce3d343d]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

38mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1990

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