Seiko Cal. 6665 - 191

Seiko 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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seikata-wm-53226aa19c84