Seiko Cal. 7028 - 684

The 7028-684 is a sought-after Automatic piece from Seiko's golden era. Powered by the 7028 caliber with 32j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-09c1db76f201]

Also known as: Tuna, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

37mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1980

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