Seiko Cal. 5284 - 780

Seiko 5284-780

Released in 1968, the Cal. 5284 with design code 780 was part of Seiko's domestic market collection. Powered by the 5284 caliber with 36j jewels beating at 36,000 bph, it delivers a 64 hours power reserve. [seikata-wm-68cf83817a23]

Also known as: Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
37mm
Case Thickness
13.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
Navy
Jewels
36j
Frequency
36,000 bph
Power Reserve
64 hours
Year
1968

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seikata-wm-68cf83817a23