Seiko Cal. 6398 - 739

The Seiko 6398-739 represents an important milestone in Seiko's 1965 lineup. Powered by the 6398 caliber with 24j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-0ad4f94c75cc]

Also known as: World Timer, Emperor

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1965

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