Seiko Cal. 5257 - 439

Seiko 5257-439

This Kinetic model from 1973 features a 46mm Two-Tone case. Powered by the 5257 caliber with 35j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-7b7d2a95c82e]

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
11.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
180m
Dial Color
Navy
Jewels
35j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1973

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