Seiko Cal. 3857 - 843

The 3857-843 is a sought-after Quartz piece from Seiko's golden era. Powered by the 3857 caliber with 29j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-6dafa6609ec9]

Also known as: UFO, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1991

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