Seiko Cal. 5261 - 178

Seiko 5261-178

The 5261-178 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5261 caliber with 36j jewels beating at 21,600 bph, it delivers a 67 hours power reserve. [seikata-wm-c59bd6b9e2a1]

Also known as: Helmet

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
38mm
Case Thickness
12.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
70m
Dial Color
Black
Jewels
36j
Frequency
21,600 bph
Power Reserve
67 hours
Year
1984

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