Seiko Cal. 5621 - 323

Seiko 5621-323

The Seiko 5621-323 represents an important milestone in Seiko's 1990 lineup. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-143143c79d9c]

Also known as: Monster, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
13.9mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
50m
Dial Color
Black
Jewels
25j
Frequency
21,600 bph
Power Reserve
58 hours
Year
1990

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