Seiko Cal. 7031 - 364

Seiko 7031-364

This Automatic model from 1969 features a 35mm Two-Tone case. Powered by the 7031 caliber with 25j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-d333981f056f]

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
35mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1969

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