Seiko Cal. 3847 - 821

The 3847-821 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 3847 caliber with 18j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-6e689be1fbf9]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

45mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

18j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1999

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