Seiko Cal. 4487 - 850

Seiko 4487-850

This Quartz model from 1967 features a 34mm Hardlex-Coated Steel case. Powered by the 4487 caliber with 27j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-40d6674759b5]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
9.6mm
Lug Width
18mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
110m
Dial Color
Black
Jewels
27j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1967

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seikata-wm-40d6674759b5