Seiko Cal. 5257 - 375

Seiko 5257-375

This Hand-Winding model from 1969 features a 41mm Gold-Plated case. Powered by the 5257 caliber with 30j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-3b1402adc9a1]

Also known as: Rally

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Black
Jewels
30j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1969

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