Seiko Cal. 5266 - 342

Seiko 5266-342

The 5266-342 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 5266 caliber with 25j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-c4e87e8e02d3]

Also known as: Helmet, Sportsmatic

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
15.2mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Silver
Jewels
25j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1978

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