Seiko Cal. 6256 - 678

The Seiko 6256-678 represents an important milestone in Seiko's 1974 lineup. Powered by the 6256 caliber with 33j jewels beating at 28,800 bph, it delivers a 70 hours power reserve. [seikata-wm-1813203763fc]

Also known as: Navigator

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

33j

Frequency

28,800 bph

Power Reserve

70 hours

Year

1974

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