Seiko Cal. 5221 - 121

Seiko 5221-121

The 5221-121 is a sought-after Solar piece from Seiko's golden era. Powered by the 5221 caliber with 29j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-e6bb10a7903c]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1989

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