Seiko Cal. 7064 - 828

The 7064-828 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7064 caliber with 25j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-a658295cefcd]

Also known as: Monster, Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

13.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

25j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1981

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