Seiko Cal. 5640 - 794

Seiko 5640-794

This Automatic model from 1972 features a 38mm Titanium case. Powered by the 5640 caliber with 21j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-2a6dc40dbd44]

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
38mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Champagne
Jewels
21j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1972

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seikata-wm-2a6dc40dbd44