Seiko Cal. 3860 - 247

The 3860-247 is a sought-after Spring Drive piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-faaafd30d141]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1967

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