Seiko Cal. 4424 - 309

Seiko 4424-309

The Seiko 4424-309 represents an important milestone in Seiko's 1969 lineup. Powered by the 4424 caliber with 26j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-1498c11c2a1d]

Also known as: Sumo, Sea Horse

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
14.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
190m
Dial Color
Black
Jewels
26j
Frequency
21,600 bph
Power Reserve
68 hours
Year
1969

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