Seiko Cal. 7163 - 258

The 7163-258 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7163 caliber with 31j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-893574a20b44]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

11.2mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1977

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