Seiko Cal. 5677 - 371

Seiko 5677-371

The 5677-371 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Cream dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-58932ff9b50a]

Also known as: Sumo

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
14.2mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Cream
Jewels
27j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1970

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