Seiko Cal. 0798 - 643

The Seiko 0798-643 represents an important milestone in Seiko's 1966 lineup. Powered by the 0798 caliber with 21j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-6319ac4af72e]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

100m

Dial Color

Green

Jewels

21j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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