Seiko Cal. 6617 - 643

Released in 1971, the Cal. 6617 with design code 643 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-60017b16c2fb]

Also known as: Emperor, Flighty

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Navy

Jewels

19j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1971

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