Seiko Cal. 5628 - 154

Seiko 5628-154

The 5628-154 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5628 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a529265facf1]

Also known as: Tuna, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
11.7mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Blue Sunburst
Jewels
19j
Frequency
28,800 bph
Power Reserve
36 hours
Year
1981

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