Seiko Cal. 6143 - 604

The 6143-604 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6143 caliber with 25j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-ebb5eba78da3]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

34mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Navy

Jewels

25j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1977

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