Seiko Cal. 4423 - 684

Seiko 4423-684

The 4423-684 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-d26252a94998]

Also known as: Sumo, Navigator

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
170m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1967

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