Seiko Cal. 6257 - 946

The 6257-946 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6257 caliber with 20j jewels beating at 21,600 bph, it delivers a 57 hours power reserve. [seikata-wm-b64a2384ff38]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

42mm

Case Thickness

10.8mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1966

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