Seiko Cal. 4521 - 390

Seiko 4521-390

The Seiko 4521-390 represents an important milestone in Seiko's 1969 lineup. It features a Champagne dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-adb85c7ed0a0]

Also known as: Turtle

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
34mm
Case Thickness
11.5mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
170m
Dial Color
Champagne
Jewels
36j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1969

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