Seiko Cal. 6377 - 422

Seiko 6377-422

The 6377-422 is a sought-after Solar piece from Seiko's golden era. Powered by the 6377 caliber with 33j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-747a0988c951]

Also known as: Sumo, UFO

Specifications

Movement
Solar
Case Material
Two-Tone
Case Width
37mm
Case Thickness
10.4mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1999

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seikata-wm-747a0988c951