Seiko Cal. 4487 - 440

Seiko 4487-440

The 4487-440 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-7ea1b63f75d7]

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
40mm
Case Thickness
10.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
White
Jewels
27j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1967

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