Seiko Cal. 6633 - 747

Seiko 6633-747

This Spring Drive model from 1988 features a 38mm PVD Black case. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-a3f6e4913a23]

Also known as: Bellmatic, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Champagne
Jewels
33j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1988

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