Seiko Cal. 6630 - 572

The 6630-572 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6630 caliber with 27j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-432d0fba4ddd]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1972

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