Seiko Cal. 7187 - 860

Released in 1977, the Cal. 7187 with design code 860 was part of Seiko's domestic market collection. It features a Silver dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-a657ad9c0c8f]

Also known as: Helmet, Golden Tuna

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

37mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Silver

Jewels

18j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1977

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