Seiko Cal. 6670 - 740

Seiko 6670-740

This Quartz model from 1973 features a 41mm Two-Tone case. Powered by the 6670 caliber with 23j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-988030eb724a]

Also known as: Navigator

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
41mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
57 hours
Year
1973

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