Seiko Cal. 4446 - 622

Seiko 4446-622

The Seiko 4446-622 represents an important milestone in Seiko's 1978 lineup. Powered by the 4446 caliber with 18j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-6ec471caf6b3]

Also known as: Monster, Bellmatic

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
15.0mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
160m
Dial Color
Green
Jewels
18j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1978

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