Seiko Cal. 7187 - 218

Released in 1970, the Cal. 7187 with design code 218 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-3cae0fad4931]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Champagne

Jewels

22j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1970

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