Seiko Cal. 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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