Seiko Cal. 7028 - 300

The 7028-300 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7028 caliber with 36j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-48f1ffc9685e]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

35mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1973

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