Seiko Cal. 6691 - 850

Seiko 6691-850

The 6691-850 is a sought-after Kinetic piece from Seiko's golden era. With its 22mm lug width and 15.4mm profile, it sits comfortably on most wrists. [seikata-wm-a81c939dceec]

Also known as: Crown

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
30m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1970

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