Seiko Cal. 6634 - 930

Seiko 6634-930

The 6634-930 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6634 caliber with 21j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-4256ca6f9593]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
11.3mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
90m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1985

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seikata-wm-4256ca6f9593