Seiko Cal. 5615 - 791

The 5615-791 is a sought-after Automatic piece from Seiko's golden era. With its 20mm lug width and 15.8mm profile, it sits comfortably on most wrists. [seikata-wm-725624788041]

Also known as: UFO, Arnie

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

35j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1977

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