Seiko Cal. 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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