Seiko Cal. 3871 - 820

This Quartz model from 1992 features a 35mm Stainless Steel case. Powered by the 3871 caliber with 36j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-a793a158eaa9]

Also known as: UFO, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

15.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1992

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