Seiko Cal. 7017 - 551

The 7017-551 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-7f9a181a29b9]

Also known as: Helmet, Crown

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Black

Jewels

24j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1970

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