Seiko Cal. 6181 - 351

The Seiko 6181-351 represents an important milestone in Seiko's 1977 lineup. With its 21mm lug width and 9.2mm profile, it sits comfortably on most wrists. [seikata-wm-42bc66018344]

Also known as: UFO, Bellmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

40mm

Case Thickness

9.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Burgundy

Jewels

25j

Frequency

36,000 bph

Power Reserve

67 hours

Year

1977

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