Seiko Cal. 5257 - 284

Seiko 5257-284

This Quartz model from 1969 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 8.0mm profile, it sits comfortably on most wrists. [seikata-wm-5c9a0e2f5b61]

Also known as: Bellmatic, Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
8.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
32j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1969

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