Seiko Cal. 7028 - 555

This Hand-Winding model from 1998 features a 37mm Stainless Steel case. Powered by the 7028 caliber with 23j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-4d027aa02af0]

Also known as: Tuna, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

80m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1998

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