Seiko Cal. 6256 - 391

This Automatic model from 1969 features a 40mm Stainless Steel case. Powered by the 6256 caliber with 28j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-b1a5272f2b82]

Also known as: World Timer, Golden Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1969

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