Seiko Cal. 3891 - 107

The Seiko 3891-107 represents an important milestone in Seiko's 1999 lineup. Powered by the 3891 caliber with 36j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-775c7ce76301]

Also known as: Silverwave, Crown

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

13.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1999

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