Seiko Cal. 5643 - 679

Seiko 5643-679

The 5643-679 is a sought-after Automatic piece from Seiko's golden era. It features a Champagne dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-740e7e912ee2]

Also known as: Rally

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
8.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
140m
Dial Color
Champagne
Jewels
31j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1970

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