Seiko Cal. 6634 - 733

Seiko 6634-733

This Spring Drive model from 1998 features a 45mm Titanium case. Powered by the 6634 caliber with 30j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-998d97e93971]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
14.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
30j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1998

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seikata-wm-998d97e93971