Seiko Cal. 6635 - 678

Seiko 6635-678

This Automatic model from 1992 features a 34mm Titanium case. Powered by the 6635 caliber with 35j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-93123e7a7250]

Also known as: Helmet, Sea Horse

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
34mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
110m
Dial Color
Cream
Jewels
35j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1992

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seikata-wm-93123e7a7250