Seiko Cal. 6163 - 704

The Seiko 6163-704 represents an important milestone in Seiko's 1968 lineup. Powered by the 6163 caliber with 32j jewels beating at 28,800 bph, it delivers a 61 hours power reserve. [seikata-wm-3e5696b953d4]

Also known as: Helmet, Flighty

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1968

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