Seiko Cal. 6247 - 839

The 6247-839 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6247 caliber with 28j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-2afb01360000]

Also known as: Sumo, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Cream

Jewels

28j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1967

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