Seiko Cal. 6328 - 254

The 6328-254 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6328 caliber with 30j jewels beating at 21,600 bph, it delivers a 47 hours power reserve. [seikata-wm-d54caf8994c0]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

80m

Dial Color

Navy

Jewels

30j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

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