Seiko Cal. 7187 - 390

Released in 1969, the Cal. 7187 with design code 390 was part of Seiko's domestic market collection. With its 18mm lug width and 15.6mm profile, it sits comfortably on most wrists. [seikata-wm-6bd292faf027]

Also known as: Samurai, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

150m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1969

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