Seiko Cal. 4423 - 769

Seiko 4423-769

The 4423-769 is a sought-after Spring Drive piece from Seiko's golden era. It features a Silver dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-c08e06afd98f]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1997

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