Seiko Cal. 5257 - 284

Seiko 5257-284

This Hand-Winding model from 1981 features a 34mm Stainless Steel case. Powered by the 5257 caliber with 35j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-8603862dc513]

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
100m
Dial Color
Navy
Jewels
35j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1981

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seikata-wm-8603862dc513