Seiko Cal. 4520 - 507

Seiko 4520-507

This Automatic model from 1990 features a 41mm Two-Tone case. Powered by the 4520 caliber with 18j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-0221e53218d4]

Also known as: Sea Horse

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
41mm
Case Thickness
8.1mm
Lug Width
20mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Black
Jewels
18j
Frequency
21,600 bph
Power Reserve
54 hours
Year
1990

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seikata-wm-0221e53218d4