Seiko Cal. 3871 - 691

Released in 1999, the Cal. 3871 with design code 691 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-b5c73741363b]

Also known as: Emperor, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1999

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