Seiko Cal. 3891 - 191

The Seiko 3891-191 represents an important milestone in Seiko's 1966 lineup. Powered by the 3891 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-bf444a4a320a]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1966

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