Seiko Cal. 5615 - 842

Seiko 5615-842

The 5615-842 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5615 caliber with 23j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-ea3a3e65a062]

Also known as: Helmet, UFO

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
35mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
23j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1975

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