Seiko Cal. 4416 - 670

Seiko 4416-670

The 4416-670 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4416 caliber with 29j jewels beating at 21,600 bph, it delivers a 41 hours power reserve. [seikata-wm-654626d1c4ee]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
150m
Dial Color
Cream
Jewels
29j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1991

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seikata-wm-654626d1c4ee