Seiko Cal. 7187 - 371

This Spring Drive model from 1985 features a 39mm Two-Tone case. With its 18mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-8d023b4176e5]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

130m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1985

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