Seiko Cal. 6257 - 646

The 6257-646 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 11.8mm profile, it sits comfortably on most wrists. [seikata-wm-c0eca503acec]

Also known as: Monster, Panda

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1969

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