Seiko Cal. 6633 - 378

Seiko 6633-378

The Seiko 6633-378 represents an important milestone in Seiko's 1994 lineup. With its 22mm lug width and 11.7mm profile, it sits comfortably on most wrists. [seikata-wm-cc2aa5b39cff]

Also known as: Tuna

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
11.7mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
23j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1994

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