Seiko Cal. 6615 - 161

The Seiko 6615-161 represents an important milestone in Seiko's 1975 lineup. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-f783de03ae5e]

Also known as: UFO, Golden Tuna

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1975

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