Seiko Cal. 0726 - 657

The Seiko 0726-657 represents an important milestone in Seiko's 1972 lineup. Powered by the 0726 caliber with 18j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-0bd04e931c64]

Also known as: UFO, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Green

Jewels

18j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1972

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