Seiko Cal. 7140 - 547

This Kinetic model from 1977 features a 38mm Hardlex-Coated Steel case. Powered by the 7140 caliber with 25j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-08284fa7a666]

Also known as: Silverwave, Sea Horse

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

10.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1977

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