Seiko Cal. 4521 - 819

Seiko 4521-819

The Seiko 4521-819 represents an important milestone in Seiko's 1980 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-59fc8917c32b]

Also known as: Sumo, Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
39mm
Case Thickness
15.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1980

Related Models

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