Seiko Cal. 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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