Seiko Cal. 6330 - 439

The 6330-439 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6330 caliber with 31j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-ff9eb0760c0d]

Also known as: Sumo, Bellmatic

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1979

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