Seiko Cal. 5643 - 490

Seiko 5643-490

The 5643-490 is a sought-after Quartz piece from Seiko's golden era. It features a Cream dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-db3300d456ff]

Also known as: Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Cream
Jewels
31j
Frequency
28,800 bph
Power Reserve
59 hours
Year
1965

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