Seiko Cal. 0728 - 121

Seiko 0728-121

Released in 1990, the Cal. 0728 with design code 121 was part of Seiko's domestic market collection. It features a Burgundy dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-3b8253ad146b]

Also known as: Sumo, Bellmatic

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
40mm
Case Thickness
8.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
120m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1990

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seikata-wm-3b8253ad146b