Seiko Cal. 4528 - 959

Seiko 4528-959

The 4528-959 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-adc1c302490b]

Also known as: Helmet

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
15.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Black
Jewels
24j
Frequency
21,600 bph
Power Reserve
42 hours
Year
1974

Related Models

seikata-wm-adc1c302490b