Seiko Cal. 6398 - 739

The 6398-739 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6398 caliber with 24j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-2baa0d4f15ab]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

24j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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