Seiko Cal. 3899 - 836

Released in 1991, the Cal. 3899 with design code 836 was part of Seiko's domestic market collection. Powered by the 3899 caliber with 28j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-2549d91a1a73]

Also known as: Helmet, Emperor

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1991

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