Seiko Cal. 3863 - 186

The Seiko 3863-186 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-3234c44b28ca]

Also known as: Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

41mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Black

Jewels

35j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1965

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