Seiko Cal. 5646 - 406

Seiko 5646-406

This Hand-Winding model from 1974 features a 40mm Two-Tone case. Powered by the 5646 caliber with 26j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-94e5e07ec762]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
40mm
Case Thickness
9.0mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
120m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1974

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seikata-wm-94e5e07ec762