Seiko Cal. 6384 - 443

The Seiko 6384-443 represents an important milestone in Seiko's 1972 lineup. Powered by the 6384 caliber with 26j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-819228eb5f37]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

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