Seiko Cal. 7163 - 323

The 7163-323 is a sought-after Solar piece from Seiko's golden era. Powered by the 7163 caliber with 23j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-4ab93cd34f0c]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

8.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Silver

Jewels

23j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1966

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