Seiko Cal. 6633 - 681

Seiko 6633-681

The Seiko 6633-681 represents an important milestone in Seiko's 1990 lineup. Powered by the 6633 caliber with 19j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-76645cffc816]

Also known as: Monster, Silverwave

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
11.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1990

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seikata-wm-76645cffc816