Seiko Cal. 5613 - 459

This Spring Drive model from 1965 features a 37mm Two-Tone case. With its 18mm lug width and 12.1mm profile, it sits comfortably on most wrists. [seikata-wm-d71c561dae12]

Also known as: Helmet, Rally

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1965

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