Seiko Cal. 4540 - 709

The Seiko 4540-709 represents an important milestone in Seiko's 1971 lineup. Powered by the 4540 caliber with 34j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-10a985ebd27e]

Also known as: Rally, Flighty

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Navy

Jewels

34j

Frequency

21,600 bph

Power Reserve

62 hours

Year

1971

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