Seiko Cal. 6256 - 397

The 6256-397 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6256 caliber with 31j jewels beating at 28,800 bph, it delivers a 51 hours power reserve. [seikata-wm-b1977ffecba0]

Also known as: Bullhead, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Green

Jewels

31j

Frequency

28,800 bph

Power Reserve

51 hours

Year

1998

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