Seiko Cal. 0740 - 392

Seiko 0740-392

This Hand-Winding model from 1965 features a 41mm Gold-Plated case. Powered by the 0740 caliber with 25j jewels beating at 21,600 bph, it delivers a 64 hours power reserve. [seikata-wm-caf277919b2b]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
10.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Green
Jewels
25j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1965

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