Seiko Cal. 4423 - 320

Seiko 4423-320

The Seiko 4423-320 represents an important milestone in Seiko's 1984 lineup. Powered by the 4423 caliber with 18j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-fc8cde71e71d]

Also known as: Rally, Navigator

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
43mm
Case Thickness
11.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Green
Jewels
18j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1984

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