Seiko Cal. 7057 - 275

Seiko 7057-275

The 7057-275 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 7057 caliber with 27j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-0bcd8d4f03d8]

Also known as: Sea Horse, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
10.0mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Burgundy
Jewels
27j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1977

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