Seiko Cal. 4487 - 426

Seiko 4487-426

The 4487-426 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-2ac9f7e8e553]

Also known as: Monster, Tuna

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
37mm
Case Thickness
11.7mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
130m
Dial Color
Cream
Jewels
18j
Frequency
28,800 bph
Power Reserve
40 hours
Year
1974

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