Seiko Cal. 0731 - 699

Seiko 0731-699

This Hand-Winding model from 1969 features a 45mm Titanium case. Powered by the 0731 caliber with 17j jewels beating at 28,800 bph, it delivers a 39 hours power reserve. [seikata-wm-15bdbe2b96c0]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
45mm
Case Thickness
9.1mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
180m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
39 hours
Year
1969

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