Seiko Cal. 7073 - 723

The 7073-723 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7073 caliber with 26j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-09fbc5aae7b1]

Also known as: Tuna, Bellmatic

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

14.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1977

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