Seiko Cal. 6121 - 521

Seiko 6121-521

This Spring Drive model from 1983 features a 44mm Hardlex-Coated Steel case. It features a Burgundy dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-9e245bba4eb2]

Also known as: Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
44mm
Case Thickness
14.3mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
200m
Dial Color
Burgundy
Jewels
35j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1983

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