Seiko Cal. 6615 - 309

This Automatic model from 1975 features a 40mm Two-Tone case. With its 19mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-71169a8a3a43]

Also known as: UFO, Bellmatic

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1975

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