Seiko Cal. 4487 - 359

Seiko 4487-359

This Spring Drive model from 1983 features a 41mm Two-Tone case. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-0665e725b3a8]

Also known as: Tuna, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
41mm
Case Thickness
12.5mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
70m
Dial Color
Green
Jewels
33j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1983

Related Models

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