Seiko Cal. 6255 - 440

The Seiko 6255-440 represents an important milestone in Seiko's 1966 lineup. With its 18mm lug width and 10.5mm profile, it sits comfortably on most wrists. [seikata-wm-6e9b05ab7612]

Also known as: Crown, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

35j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1966

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