Seiko Cal. 5240 - 397

Seiko 5240-397

This Spring Drive model from 1985 features a 44mm Stainless Steel case. Powered by the 5240 caliber with 26j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-8c64c888e569]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
44mm
Case Thickness
14.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
130m
Dial Color
Green
Jewels
26j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1985

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seikata-wm-8c64c888e569