Seiko Cal. 4477 - 421

Seiko 4477-421

The Seiko 4477-421 represents an important milestone in Seiko's 1994 lineup. Powered by the 4477 caliber with 29j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-ca3db38151dc]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
40mm
Case Thickness
15.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
80m
Dial Color
Black
Jewels
29j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1994

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seikata-wm-ca3db38151dc