Seiko Cal. 6650 - 137

The 6650-137 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6650 caliber with 32j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-8022971719ea]

Also known as: Silverwave, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

15.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

32j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1969

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