Seiko Cal. 4487 - 442

Seiko 4487-442

This Automatic model from 1989 features a 34mm PVD Black case. Powered by the 4487 caliber with 19j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-552cbefa1e6f]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
34mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1989

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seikata-wm-552cbefa1e6f