Seiko Cal. 7187 - 138

The 7187-138 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 9.4mm profile, it sits comfortably on most wrists. [seikata-wm-d6ae82df17c7]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

9.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

White

Jewels

18j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1968

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