Seiko Cal. 4446 - 918

Seiko 4446-918

The 4446-918 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4446 caliber with 31j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-2ddd412f7868]

Also known as: Turtle, World Timer

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
15.4mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Silver
Jewels
31j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1974

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