Seiko Cal. 5613 - 705

The Seiko 5613-705 represents an important milestone in Seiko's 1981 lineup. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-47bdb58052f8]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

150m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1981

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