Seiko Cal. 4513 - 613

The Seiko 4513-613 represents an important milestone in Seiko's 1976 lineup. Powered by the 4513 caliber with 26j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-1dabe1149203]

Also known as: Samurai, Tuna

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Navy

Jewels

26j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1976

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