Seiko Cal. 7163 - 728

The Seiko 7163-728 represents an important milestone in Seiko's 1969 lineup. Powered by the 7163 caliber with 35j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-5686ce37208c]

Also known as: Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1969

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