Seiko Cal. 6315 - 543

This Spring Drive model from 1966 features a 34mm Stainless Steel case. Powered by the 6315 caliber with 32j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-9be864940051]

Also known as: Sumo, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1966

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