Seiko Cal. 7131 - 815

Seiko 7131-815

Released in 1973, the Cal. 7131 with design code 815 was part of Seiko's domestic market collection. Powered by the 7131 caliber with 34j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-f9352069bf82]

Also known as: Golden Tuna, Arnie

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
36mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
White
Jewels
34j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1973

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