Seiko Cal. 6330 - 842

The 6330-842 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6330 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-5eafc089c955]

Also known as: Sumo, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

36mm

Case Thickness

11.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

White

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1971

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