Seiko Cal. 4471 - 672

This Kinetic model from 1970 features a 40mm PVD Black case. Powered by the 4471 caliber with 23j jewels beating at 36,000 bph, it delivers a 41 hours power reserve. [seikata-wm-ce0ef5def704]

Also known as: Sumo

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Navy

Jewels

23j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1970

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