Seiko Cal. 7028 - 672

The 7028-672 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7028 caliber with 22j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-1fa15e70a7c9]

Also known as: Golden Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Navy

Jewels

22j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1994

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