Seiko Cal. 6378 - 191

The 6378-191 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6378 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-9cee78c2e1b0]

Also known as: Helmet, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

37mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1984

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