Seiko Cal. 4487 - 241

Seiko 4487-241

This Automatic model from 1978 features a 43mm Hardlex-Coated Steel case. Powered by the 4487 caliber with 27j jewels beating at 28,800 bph, it delivers a 40 hours power reserve. [seikata-wm-d28ff0642080]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1978

Related Models

seikata-wm-d28ff0642080