Seiko Cal. 5240 - 342

Seiko 5240-342

The 5240-342 is a sought-after Solar piece from Seiko's golden era. Powered by the 5240 caliber with 19j jewels beating at 28,800 bph, it delivers a 68 hours power reserve. [seikata-wm-e0c9a6e19dda]

Also known as: Sumo

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.7mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Black
Jewels
19j
Frequency
28,800 bph
Power Reserve
68 hours
Year
1976

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