Seiko Cal. 7057 - 655

The 7057-655 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7057 caliber with 28j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-3ed8d5e90860]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1968

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