Seiko Cal. 7163 - 955

The 7163-955 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7163 caliber with 31j jewels beating at 36,000 bph, it delivers a 40 hours power reserve. [seikata-wm-932182c20f4f]

Also known as: UFO, World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

31j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1998

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