Seiko Cal. 4521 - 428

Seiko 4521-428

This Automatic model from 1978 features a 45mm Titanium case. Powered by the 4521 caliber with 32j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-e8eb18d7c331]

Also known as: Turtle

Specifications

Movement
Automatic
Case Material
Titanium
Case Width
45mm
Case Thickness
9.1mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Cream
Jewels
32j
Frequency
21,600 bph
Power Reserve
45 hours
Year
1978

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seikata-wm-e8eb18d7c331