Seiko Cal. 4442 - 823

Seiko 4442-823

The 4442-823 is a sought-after Spring Drive piece from Seiko's golden era. It features a White dial protected by a Sapphire crystal and offers 70m of water resistance. [seikata-wm-8371bf823a56]

Also known as: Helmet, World Timer

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
14.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
White
Jewels
33j
Frequency
36,000 bph
Power Reserve
41 hours
Year
1980

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