Seiko Cal. 6330 - 639

Seiko 6330-639

The 6330-639 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-48fee91a2911]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
48 hours
Year
1983

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