Seiko Cal. 7028 - 822

Seiko 7028-822

The 7028-822 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7028 caliber with 27j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-1cd552e479c9]

Also known as: Tuna, Silverwave

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
46mm
Case Thickness
8.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Champagne
Jewels
27j
Frequency
36,000 bph
Power Reserve
65 hours
Year
1994

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