Seiko Cal. 6633 - 680

Seiko 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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seikata-wm-26342093f757