Seiko Cal. 4531 - 306

Seiko 4531-306

The 4531-306 is a sought-after Solar piece from Seiko's golden era. Powered by the 4531 caliber with 19j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-247d8723c743]

Also known as: Helmet

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
11.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1977

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seikata-wm-247d8723c743