Seiko Cal. 6633 - 680

The 6633-680 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6633 caliber with 25j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-26342093f757]

Also known as: Silverwave, Bellmatic

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1991

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