Seiko Cal. 4557 - 647

Seiko 4557-647

The 4557-647 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-8085de8b684f]

Also known as: Baby Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
36mm
Case Thickness
10.8mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
200m
Dial Color
Cream
Jewels
25j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1968

Related Models

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