Seiko Cal. 5646 - 766

Seiko 5646-766

This Solar model from 1971 features a 39mm Two-Tone case. Powered by the 5646 caliber with 29j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-59991280174e]

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
39mm
Case Thickness
8.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Navy
Jewels
29j
Frequency
21,600 bph
Power Reserve
70 hours
Year
1971

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seikata-wm-59991280174e