Seiko Cal. 4446 - 642

Seiko 4446-642

The 4446-642 is a sought-after Automatic piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-6b0301f560b9]

Also known as: Rally, Crown

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
17j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1968

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