Seiko Cal. 6181 - 933

This Hand-Winding model from 1968 features a 46mm Two-Tone case. With its 20mm lug width and 13.0mm profile, it sits comfortably on most wrists. [seikata-wm-e9d8baa1fa13]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

46mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1968

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