Seiko Cal. 4411 - 531

Seiko 4411-531

The 4411-531 is a sought-after Solar piece from Seiko's golden era. Powered by the 4411 caliber with 21j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-6f7bb79d75c6]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Titanium
Case Width
44mm
Case Thickness
14.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Black
Jewels
21j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1966

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