Seiko Cal. 6257 - 256

Released in 1978, the Cal. 6257 with design code 256 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-8b8eba16dc3b]

Also known as: Pogue, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.3mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Green

Jewels

26j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1978

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