Seiko Cal. 7198 - 660

The Seiko 7198-660 represents an important milestone in Seiko's 1965 lineup. Powered by the 7198 caliber with 31j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-5a1732a9d7d5]

Also known as: World Timer, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

8.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1965

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