Seiko Cal. 6173 - 866

The Seiko 6173-866 represents an important milestone in Seiko's 1973 lineup. Powered by the 6173 caliber with 20j jewels beating at 21,600 bph, it delivers a 63 hours power reserve. [seikata-wm-74afac3dcdac]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

63 hours

Year

1973

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