Seiko Cal. 0731 - 813

Seiko 0731-813

The 0731-813 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-5fc02e20cd3a]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
35mm
Case Thickness
12.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Burgundy
Jewels
33j
Frequency
28,800 bph
Power Reserve
61 hours
Year
1974

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