Seiko Cal. 5648 - 731

Seiko 5648-731

This Kinetic model from 1975 features a 44mm Titanium case. Powered by the 5648 caliber with 28j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-2ec9949474e4]

Also known as: Goldfeather, Navigator

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
44mm
Case Thickness
8.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
White
Jewels
28j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1975

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