Seiko Cal. 6633 - 328

The 6633-328 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6633 caliber with 19j jewels beating at 36,000 bph, it delivers a 45 hours power reserve. [seikata-wm-145f8df2e7ba]

Also known as: Turtle, Helmet

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

19j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1980

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