Seiko Cal. 3847 - 666

The 3847-666 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3847 caliber with 27j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-dc22e4233893]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

15.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

90m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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