Seiko Cal. 6392 - 637

Seiko 6392-637

This Hand-Winding model from 1991 features a 40mm Hardlex-Coated Steel case. Powered by the 6392 caliber with 23j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-89e4acb0d373]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.2mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1991

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seikata-wm-89e4acb0d373