Seiko Cal. 3863 - 166

The Seiko 3863-166 represents an important milestone in Seiko's 1971 lineup. It features a Burgundy dial protected by a Mineral crystal and offers 170m of water resistance. [seikata-wm-13e980f1e630]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

170m

Dial Color

Burgundy

Jewels

19j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1971

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