Seiko Cal. 5691 - 409

Seiko 5691-409

The 5691-409 is a sought-after Solar piece from Seiko's golden era. Powered by the 5691 caliber with 27j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-ef1bb3765016]

Also known as: Navigator

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
9.5mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
27j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1972

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