Seiko Cal. 6278 - 420

Seiko 6278-420

The 6278-420 is a sought-after Solar piece from Seiko's golden era. Powered by the 6278 caliber with 28j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-b9c81a12ec36]

Also known as: UFO, Arnie

Specifications

Movement
Solar
Case Material
Titanium
Case Width
37mm
Case Thickness
11.8mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
80m
Dial Color
Green
Jewels
28j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1993

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