Seiko Cal. 6665 - 191

This Spring Drive model from 1977 features a 40mm PVD Black case. Powered by the 6665 caliber with 17j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-53226aa19c84]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

40mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

56 hours

Year

1977

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