Seiko Cal. 7186 - 813

The 7186-813 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 7186 caliber with 36j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-7756a08ae33c]

Also known as: Tuna, Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

12.3mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

36j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1977

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