Seiko Cal. 6398 - 743

The 6398-743 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6398 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-6b9d51e96bd3]

Also known as: Rally, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1998

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