Seiko Cal. 6257 - 438

The 6257-438 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 80m of water resistance. [seikata-wm-09bd65845ee1]

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1979

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