Seiko Cal. 6690 - 811

Seiko 6690-811

This Spring Drive model from 1992 features a 38mm PVD Black case. Powered by the 6690 caliber with 31j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-8e7385a022ad]

Also known as: Crown

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
11.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
120m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1992

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