Seiko Cal. 6257 - 183

The 6257-183 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 10.0mm profile, it sits comfortably on most wrists. [seikata-wm-1d584ae63d32]

Also known as: Navigator, Emperor

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

10.0mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

29j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1965

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