Seiko Cal. 3847 - 409

The 3847-409 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3847 caliber with 35j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-c19eea2a36b0]

Also known as: Sumo, Pogue

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Burgundy

Jewels

35j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1983

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