Seiko Cal. 6398 - 688

Seiko 6398-688

This Automatic model from 1994 features a 46mm Hardlex-Coated Steel case. Powered by the 6398 caliber with 26j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-788bfd737e96]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
14.6mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1994

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seikata-wm-788bfd737e96