Seiko Cal. 6379 - 721

The 6379-721 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6379 caliber with 29j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-dbbfc92b1b53]

Also known as: Monster, Rally

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Green

Jewels

29j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1990

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