Seiko Cal. 7019 - 640

The 7019-640 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7019 caliber with 24j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-66832bf196f5]

Also known as: Navigator, Sea Horse

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

8.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1986

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