Seiko Cal. 6660 - 147

Released in 1969, the Cal. 6660 with design code 147 was part of Seiko's domestic market collection. Powered by the 6660 caliber with 25j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-66f5f7a39bb0]

Also known as: Panda, Flighty

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Navy

Jewels

25j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1969

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