Seiko Cal. 6397 - 770

Seiko 6397-770

This Hand-Winding model from 1991 features a 38mm Two-Tone case. Powered by the 6397 caliber with 19j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-fc5a6c791bc0]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
38mm
Case Thickness
15.7mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Silver
Jewels
19j
Frequency
28,800 bph
Power Reserve
46 hours
Year
1991

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