Seiko Cal. 4435 - 522

Seiko 4435-522

The 4435-522 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-36ec461367aa]

Also known as: Sumo, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
41mm
Case Thickness
10.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Cream
Jewels
32j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1994

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