Seiko Cal. 6643 - 984

This Automatic model from 1972 features a 46mm Stainless Steel case. Powered by the 6643 caliber with 34j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-b9d025891ba4]

Also known as: Golden Tuna, Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

11.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Green

Jewels

34j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1972

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