Seiko Cal. 4570 - 378

Seiko 4570-378

The Seiko 4570-378 represents an important milestone in Seiko's 1975 lineup. Powered by the 4570 caliber with 25j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-bb95d3094089]

Also known as: Sumo, Arnie

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
36mm
Case Thickness
14.6mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
25j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1975

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