Seiko Cal. 7187 - 190

The Seiko 7187-190 represents an important milestone in Seiko's 1966 lineup. The Fixed bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-5c3da49e6b2d]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

9.1mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

50m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1966

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