Seiko Cal. 4441 - 477

Seiko 4441-477

The Seiko 4441-477 represents an important milestone in Seiko's 1968 lineup. Powered by the 4441 caliber with 28j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-c79db14ee71f]

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
9.4mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
160m
Dial Color
Navy
Jewels
28j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1968

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