Seiko Cal. 4423 - 570

Seiko 4423-570

The Seiko 4423-570 represents an important milestone in Seiko's 1988 lineup. Powered by the 4423 caliber with 29j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-b5d4b5008a43]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
45mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
120m
Dial Color
White
Jewels
29j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1988

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seikata-wm-b5d4b5008a43