Seiko Cal. 5615 - 703

The Seiko 5615-703 represents an important milestone in Seiko's 1978 lineup. With its 19mm lug width and 13.1mm profile, it sits comfortably on most wrists. [seikata-wm-66ed23bac1ac]

Also known as: Sumo, Arnie

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

39mm

Case Thickness

13.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

140m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1978

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