Seiko Cal. 4420 - 329

Seiko 4420-329

The 4420-329 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4420 caliber with 30j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-ac0e4d96f136]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
35mm
Case Thickness
10.9mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Cream
Jewels
30j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1990

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seikata-wm-ac0e4d96f136