Seiko Cal. 4517 - 902

The Seiko 4517-902 represents an important milestone in Seiko's 1976 lineup. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-9002765806b7]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1976

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