Seiko Cal. 5256 - 440

The Seiko 5256-440 represents an important milestone in Seiko's 1977 lineup. With its 19mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-0fd3e4c229ef]

Also known as: Sumo, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1977

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