Seiko Cal. 3847 - 415

The 3847-415 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3847 caliber with 18j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-a142f0efff5c]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Cream

Jewels

18j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1990

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