Seiko Cal. 7028 - 757

Seiko 7028-757

The 7028-757 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7028 caliber with 25j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-5ec9dcb374b9]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.3mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Cream
Jewels
25j
Frequency
21,600 bph
Power Reserve
59 hours
Year
1997

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