Seiko Cal. 6633 - 616

The 6633-616 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6633 caliber with 23j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-0a6fac7e8723]

Also known as: Monster, Rally

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

10.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Navy

Jewels

23j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1972

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