Seiko Cal. 3867 - 821

Released in 1985, the Cal. 3867 with design code 821 was part of Seiko's domestic market collection. Powered by the 3867 caliber with 31j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-df13bcc77102]

Also known as: Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1985

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