Seiko Cal. 4491 - 509

Released in 1969, the Cal. 4491 with design code 509 was part of Seiko's domestic market collection. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-bfb48bfb18e8]

Also known as: Shogun, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Champagne

Jewels

27j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1969

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