Seiko Cal. 6645 - 167

The 6645-167 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6645 caliber with 29j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-634ee4ee3ef3]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

29j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1978

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