Seiko Cal. 4521 - 577

Seiko 4521-577

This Automatic model from 1986 features a 43mm Two-Tone case. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-e78df565b96a]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
43mm
Case Thickness
10.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
180m
Dial Color
Navy
Jewels
32j
Frequency
28,800 bph
Power Reserve
50 hours
Year
1986

Related Models

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