Seiko Cal. 7028 - 518

The 7028-518 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7028 caliber with 29j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-a3f3148e70b7]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

White

Jewels

29j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1993

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