Seiko Cal. 5613 - 398

Released in 1971, the Cal. 5613 with design code 398 was part of Seiko's domestic market collection. With its 20mm lug width and 8.6mm profile, it sits comfortably on most wrists. [seikata-wm-c3fed33278cb]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

8.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Silver

Jewels

26j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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