Seiko Cal. 4420 - 392

Seiko 4420-392

The Seiko 4420-392 represents an important milestone in Seiko's 1967 lineup. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-fbc9b96750a3]

Also known as: Bellmatic

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
44mm
Case Thickness
13.8mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
30j
Frequency
28,800 bph
Power Reserve
72 hours
Year
1967

Related Models

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