Seiko Cal. 6256 - 434

The Seiko 6256-434 represents an important milestone in Seiko's 1965 lineup. Powered by the 6256 caliber with 34j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-380c29dcc8d2]

Also known as: Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Champagne

Jewels

34j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1965

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