Seiko Cal. 7158 - 884

This Hand-Winding model from 1988 features a 37mm Hardlex-Coated Steel case. Powered by the 7158 caliber with 19j jewels beating at 28,800 bph, it delivers a 72 hours power reserve. [seikata-wm-19ddd840a646]

Also known as: Helmet, Navigator

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

8.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

72 hours

Year

1988

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