Seiko Cal. 6690 - 199

Seiko 6690-199

This Solar model from 1977 features a 37mm Hardlex-Coated Steel case. Powered by the 6690 caliber with 23j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-b821b3eefd01]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Green
Jewels
23j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1977

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