Seiko Cal. 4531 - 328

Seiko 4531-328

The 4531-328 is a sought-after Quartz piece from Seiko's golden era. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e04c89f7eff6]

Also known as: Helmet

Specifications

Movement
Quartz
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
9.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
190m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
45 hours
Year
1972

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