Seiko Cal. 7131 - 827

Seiko 7131-827

The Seiko 7131-827 represents an important milestone in Seiko's 1979 lineup. Powered by the 7131 caliber with 35j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-317090031147]

Also known as: Sportsmatic

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Champagne
Jewels
35j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1979

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seikata-wm-317090031147