Seiko Cal. 6398 - 709

The 6398-709 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6398 caliber with 20j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-3dad62dad5f8]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

140m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1984

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