Seiko Cal. 4590 - 323

Seiko 4590-323

This Quartz model from 1979 features a 37mm Two-Tone case. Powered by the 4590 caliber with 24j jewels beating at 21,600 bph, it delivers a 55 hours power reserve. [seikata-wm-f6f245d124a9]

Also known as: Monster, Helmet

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
37mm
Case Thickness
13.2mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Champagne
Jewels
24j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1979

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