Seiko Cal. 5688 - 726

Seiko 5688-726

The Seiko 5688-726 represents an important milestone in Seiko's 1990 lineup. Powered by the 5688 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-9a0df74114e8]

Also known as: Sportsmatic, Golden Tuna

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.0mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
31j
Frequency
28,800 bph
Power Reserve
66 hours
Year
1990

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seikata-wm-9a0df74114e8