Seiko Cal. 5613 - 275

This Hand-Winding model from 1972 features a 42mm Gold-Plated case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8f64349ff208]

Also known as: Samurai, Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Green

Jewels

23j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1972

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