Seiko Cal. 5256 - 766

The Seiko 5256-766 represents an important milestone in Seiko's 1966 lineup. It features a Green dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-6a98880139f5]

Also known as: Baby Tuna

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

18j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1966

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