Seiko Cal. 3857 - 821

This Automatic model from 1971 features a 35mm PVD Black case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-330612021398]

Also known as: UFO

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1971

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