Seiko Cal. 6257 - 128

The 6257-128 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6257 caliber with 27j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-abc6bd43dcc9]

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1974

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