Seiko Cal. 3813 - 423

Seiko 3813-423

This Automatic model from 1967 features a 42mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-e097c2d8bb90]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
9.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
30m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1967

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seikata-wm-e097c2d8bb90