Seiko Cal. 7057 - 503

Seiko 7057-503

The 7057-503 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7057 caliber with 31j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-03ac2baea7e4]

Also known as: UFO, Goldfeather

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
34mm
Case Thickness
12.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
140m
Dial Color
Black
Jewels
31j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1995

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