Seiko Cal. 5256 - 709

This Spring Drive model from 1971 features a 45mm Gold-Plated case. The Bidirectional bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-a5c1540aa6fe]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

29j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1971

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