Seiko Cal. 7163 - 657

The 7163-657 is a sought-after Solar piece from Seiko's golden era. Powered by the 7163 caliber with 36j jewels beating at 36,000 bph, it delivers a 58 hours power reserve. [seikata-wm-5fe26e2a38fa]

Also known as: Navigator, Emperor

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

58 hours

Year

1988

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