Seiko Cal. 6663 - 633

Seiko 6663-633

This Spring Drive model from 1991 features a 37mm Stainless Steel case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-3e201d3ee291]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
8.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
30m
Dial Color
Green
Jewels
18j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1991

Related Models

seikata-wm-3e201d3ee291