Seiko Cal. 4517 - 478

The Seiko 4517-478 represents an important milestone in Seiko's 1970 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-0bf4f094dc4a]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Champagne

Jewels

22j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1970

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