Seiko Cal. 6397 - 203

Seiko 6397-203

This Hand-Winding model from 1982 features a 43mm Titanium case. Powered by the 6397 caliber with 33j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-5bcce08d04df]

Also known as: Sumo, Navigator

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
43mm
Case Thickness
12.9mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Burgundy
Jewels
33j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1982

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