Seiko Cal. 3813 - 173

The Seiko 3813-173 represents an important milestone in Seiko's 1976 lineup. Powered by the 3813 caliber with 21j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-9da5f79c1686]

Also known as: Bullhead, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1976

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