Seiko Cal. 3858 - 620

Seiko 3858-620

This Quartz model from 1971 features a 42mm PVD Black case. Powered by the 3858 caliber with 24j jewels beating at 21,600 bph, it delivers a 71 hours power reserve. [seikata-wm-04a71a072d82]

Specifications

Movement
Quartz
Case Material
PVD Black
Case Width
42mm
Case Thickness
15.2mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
71 hours
Year
1971

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seikata-wm-04a71a072d82