Seiko Cal. 3813 - 511

Seiko 3813-511

This Hand-Winding model from 1972 features a 38mm Hardlex-Coated Steel case. Powered by the 3813 caliber with 32j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-3d8a652d1ec9]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
9.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
47 hours
Year
1972

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