Seiko Cal. 4526 - 640

Seiko 4526-640

The 4526-640 is a sought-after Hand-Winding piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-6486ad19c048]

Also known as: Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
43mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
40m
Dial Color
Silver
Jewels
30j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1987

Related Models

seikata-wm-6486ad19c048