Seiko Cal. 0720 - 439

Seiko 0720-439

This Solar model from 1970 features a 40mm Hardlex-Coated Steel case. Powered by the 0720 caliber with 23j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-97c226b81025]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Burgundy
Jewels
23j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1970

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seikata-wm-97c226b81025