Seiko Cal. 4521 - 413

Seiko 4521-413

The Seiko 4521-413 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-7e43cabb1201]

Also known as: UFO, Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
42mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
40m
Dial Color
White
Jewels
28j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1970

Related Models

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