Seiko Cal. 6187 - 741

The 6187-741 is a sought-after Kinetic piece from Seiko's golden era. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-1ed5af361a4e]

Also known as: Tuna, Navigator

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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