Seiko Cal. 6256 - 406

The Seiko 6256-406 represents an important milestone in Seiko's 1975 lineup. It features a Black dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-a37bd3afb914]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

180m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1975

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