Seiko Cal. 7163 - 230

The 7163-230 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7163 caliber with 28j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-0dadac1e1259]

Also known as: Sumo

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

41mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

30m

Dial Color

Champagne

Jewels

28j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1988

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