Seiko Cal. 4423 - 679

Seiko 4423-679

The 4423-679 is a sought-after Solar piece from Seiko's golden era. Powered by the 4423 caliber with 30j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-0a2aff22c874]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
14.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Navy
Jewels
30j
Frequency
28,800 bph
Power Reserve
71 hours
Year
1968

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