Seiko Cal. 6257 - 200

Released in 1983, the Cal. 6257 with design code 200 was part of Seiko's domestic market collection. Powered by the 6257 caliber with 23j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-2de5abda0e57]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

40mm

Case Thickness

15.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1983

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