Seiko Cal. 6257 - 242

The 6257-242 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6257 caliber with 23j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-2cb0fe6cc67a]

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

14.9mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

White

Jewels

23j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

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