Seiko Cal. 6330 - 768

The 6330-768 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6330 caliber with 30j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-1196aa8e013a]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1978

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