Seiko Cal. 3843 - 328

The 3843-328 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 3843 caliber with 18j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-3026d1a8af4a]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

12.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1999

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