Seiko Cal. 4513 - 923

Seiko 4513-923

The 4513-923 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-0e336252619f]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
39mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Silver
Jewels
17j
Frequency
28,800 bph
Power Reserve
64 hours
Year
1965

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