Seiko Cal. 7142 - 817

The 7142-817 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-cc4ae47b2efd]

Also known as: Bullhead, Flighty

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.2mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1970

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