Seiko Cal. 4525 - 731

Seiko 4525-731

Released in 1971, the Cal. 4525 with design code 731 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-8a52447335eb]

Also known as: Shogun, Flighty

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
40mm
Case Thickness
14.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Blue Sunburst
Jewels
28j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1971

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