Seiko Cal. 4461 - 721

Seiko 4461-721

The 4461-721 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 4461 caliber with 33j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-d591dd25fdb2]

Also known as: Monster, Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
39mm
Case Thickness
10.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
80m
Dial Color
Black
Jewels
33j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1973

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seikata-wm-d591dd25fdb2