Seiko Cal. 6633 - 628

Seiko 6633-628

The 6633-628 is a sought-after Quartz piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-6e9680428043]

Also known as: Tuna, Helmet

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
170m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1966

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seikata-wm-6e9680428043