Seiko Cal. 6665 - 107

The 6665-107 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6665 caliber with 32j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-710f3b2256ef]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1965

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