Seiko Cal. 4511 - 550

Released in 1972, the Cal. 4511 with design code 550 was part of Seiko's domestic market collection. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-9abeabd29ecb]

Also known as: World Timer, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

10.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Cream

Jewels

18j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1972

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