Seiko Cal. 6659 - 728

The 6659-728 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6659 caliber with 33j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-542d87d4ea9d]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1972

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