Seiko Cal. 5278 - 971

Seiko 5278-971

The 5278-971 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5278 caliber with 31j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-da6cc1a882bb]

Also known as: Sumo, Navigator

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
15.2mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Blue Sunburst
Jewels
31j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1997

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