Seiko Cal. 6398 - 991

Seiko 6398-991

This Solar model from 1977 features a 46mm Hardlex-Coated Steel case. Powered by the 6398 caliber with 34j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-364388b22899]

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Navy
Jewels
34j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1977

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seikata-wm-364388b22899