Seiko Cal. 5678 - 828

Seiko 5678-828

The Seiko 5678-828 represents an important milestone in Seiko's 1972 lineup. Powered by the 5678 caliber with 23j jewels beating at 21,600 bph, it delivers a 50 hours power reserve. [seikata-wm-77deb02e06db]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
35mm
Case Thickness
13.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Burgundy
Jewels
23j
Frequency
21,600 bph
Power Reserve
50 hours
Year
1972

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seikata-wm-77deb02e06db