Seiko Cal. 4442 - 399

Seiko 4442-399

The 4442-399 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4442 caliber with 26j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-a7eeb2325c7e]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
14.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
40m
Dial Color
Green
Jewels
26j
Frequency
36,000 bph
Power Reserve
49 hours
Year
1981

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