Seiko Cal. 6645 - 173

The 6645-173 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6645 caliber with 17j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-7cf75fab0e5c]

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1966

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