Seiko Cal. 5678 - 731

Seiko 5678-731

The 5678-731 is a sought-after Solar piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-1c6cd55e0e9a]

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
9.4mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
Burgundy
Jewels
36j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1965

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