Seiko Cal. 6630 - 597

The 6630-597 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6630 caliber with 19j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-8200deb5f06c]

Also known as: Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

9.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1972

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