Seiko Cal. 6181 - 158

The 6181-158 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6181 caliber with 31j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-34bd805999cf]

Also known as: Tuna, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

31j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1974

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