Seiko Cal. 6256 - 544

The Seiko 6256-544 represents an important milestone in Seiko's 1973 lineup. Powered by the 6256 caliber with 31j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-a388602ee37b]

Also known as: World Timer, Crown

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1973

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