Seiko Cal. 4531 - 383

Seiko 4531-383

The 4531-383 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4531 caliber with 31j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-131bd175e827]

Also known as: UFO, Arnie

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
14.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1993

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seikata-wm-131bd175e827