Seiko Cal. 3813 - 921

This Hand-Winding model from 1999 features a 42mm Titanium case. Powered by the 3813 caliber with 31j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-96942c07820a]

Also known as: Samurai

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

42mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

31j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1999

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