Seiko Cal. 7028 - 728

This Hand-Winding model from 1990 features a 41mm Hardlex-Coated Steel case. Powered by the 7028 caliber with 33j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-d3c2b8778c1a]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

33j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1990

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