Seiko Cal. 6659 - 720

The 6659-720 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6659 caliber with 34j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-b35adda2072b]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1992

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