Seiko Cal. 4487 - 328

Seiko 4487-328

This Hand-Winding model from 1992 features a 44mm Gold-Plated case. Powered by the 4487 caliber with 21j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-b47e1b1021ed]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
13.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
White
Jewels
21j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1992

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seikata-wm-b47e1b1021ed