Seiko Cal. 6665 - 177

Released in 1966, the Cal. 6665 with design code 177 was part of Seiko's domestic market collection. It features a Green dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-89d1be984dcc]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

14.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1966

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