Seiko Cal. 6256 - 709

The Seiko 6256-709 represents an important milestone in Seiko's 1966 lineup. Powered by the 6256 caliber with 24j jewels beating at 28,800 bph, it delivers a 42 hours power reserve. [seikata-wm-64f33c12187f]

Also known as: Navigator, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Black

Jewels

24j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1966

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