Seiko Cal. 6644 - 173

The 6644-173 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6644 caliber with 24j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-5835eccf1e21]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

9.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1996

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