Seiko Cal. 4477 - 645

Seiko 4477-645

This Hand-Winding model from 1991 features a 46mm Hardlex-Coated Steel case. Powered by the 4477 caliber with 32j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-d6b93405c5b4]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
11.8mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Silver
Jewels
32j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1991

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