Seiko Cal. 6675 - 257

The 6675-257 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6675 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-b3fdc62c6a1c]

Also known as: Bullhead, Bellmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Cream

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1969

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