Seiko Cal. 5257 - 155

Seiko 5257-155

This Quartz model from 1973 features a 44mm Titanium case. Powered by the 5257 caliber with 19j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-8c552df8158b]

Also known as: Bullhead, Helmet

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
44mm
Case Thickness
8.2mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
190m
Dial Color
Navy
Jewels
19j
Frequency
21,600 bph
Power Reserve
60 hours
Year
1973

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