Seiko Cal. 4521 - 989

Seiko 4521-989

This Hand-Winding model from 1965 features a 35mm Titanium case. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-1d1e39f82b02]

Also known as: Bullhead, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
11.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
100m
Dial Color
Black
Jewels
34j
Frequency
36,000 bph
Power Reserve
51 hours
Year
1965

Related Models

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