Seiko Cal. 0717 - 383

Released in 1971, the Cal. 0717 with design code 383 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 190m of water resistance. [seikata-wm-ad1daab9c183]

Also known as: Helmet, World Timer

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

11.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

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